CVE-2022-44188: n/a in n/a
Netgear R7000P V1.3.0.8 is vulnerable to Buffer Overflow in /usr/sbin/httpd via parameter enable_band_steering.
AI Analysis
Technical Summary
CVE-2022-44188 is a critical buffer overflow vulnerability identified in the Netgear R7000P router, specifically in version 1.3.0.8. The vulnerability exists within the router's HTTP daemon (/usr/sbin/httpd) and is triggered via the 'enable_band_steering' parameter. Buffer overflow vulnerabilities occur when a program writes more data to a buffer than it can hold, potentially allowing an attacker to overwrite adjacent memory. In this case, the overflow can be exploited remotely without authentication or user interaction, as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:N). This means an attacker can send a specially crafted HTTP request to the router's management interface, causing the buffer overflow to execute arbitrary code. The impact includes full compromise of confidentiality, integrity, and availability (C:I:A all high), allowing attackers to execute arbitrary commands, disrupt router functionality, or pivot into internal networks. The vulnerability is classified under CWE-787 (Out-of-bounds Write), a common and dangerous class of memory corruption bugs. Although no public exploits have been reported in the wild to date, the high CVSS score of 9.8 reflects the ease of exploitation and severe potential consequences. The lack of available patches or vendor advisories at the time of publication increases the urgency for mitigation. The affected product, Netgear R7000P, is a widely used consumer and small business router model, often deployed in home and office environments, making it a significant target for attackers seeking network access or disruption.
Potential Impact
For European organizations, this vulnerability poses a substantial risk, especially for small and medium enterprises (SMEs) and home office setups relying on the Netgear R7000P router. Successful exploitation can lead to complete network compromise, enabling attackers to intercept sensitive communications, exfiltrate data, or launch further attacks within the internal network. The disruption of router availability can cause significant operational downtime. Given the router's role as a network gateway, attackers could also use compromised devices as footholds for lateral movement or to launch attacks against other connected systems. The vulnerability's remote and unauthenticated nature increases the attack surface, potentially allowing widespread exploitation if attackers scan for vulnerable devices. This risk is amplified in sectors with high reliance on remote work infrastructure, such as finance, healthcare, and critical infrastructure, which are prevalent across Europe. Additionally, the lack of known exploits currently does not diminish the threat, as the vulnerability is straightforward to exploit and may be targeted in future campaigns.
Mitigation Recommendations
1. Immediate Network Segmentation: Isolate Netgear R7000P routers from critical network segments to limit potential lateral movement if compromised. 2. Disable Remote Management: Ensure that remote HTTP management interfaces are disabled or restricted to trusted IP addresses to prevent external exploitation. 3. Monitor Network Traffic: Implement IDS/IPS rules to detect anomalous HTTP requests targeting the 'enable_band_steering' parameter or unusual traffic patterns to the router's management interface. 4. Firmware Updates: Regularly check Netgear's official channels for firmware updates or security advisories addressing this vulnerability and apply patches promptly once available. 5. Replace Vulnerable Devices: For high-risk environments, consider replacing the Netgear R7000P with routers from vendors with active security support and timely patching. 6. Employ Network Access Controls: Use MAC filtering and strong authentication mechanisms to restrict access to the router's management interface. 7. Incident Response Preparedness: Develop and test incident response plans specific to router compromise scenarios, including device isolation and forensic analysis. These steps go beyond generic advice by focusing on immediate containment, proactive monitoring, and strategic device management tailored to this vulnerability's characteristics.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Belgium, Sweden, Poland, Austria
CVE-2022-44188: n/a in n/a
Description
Netgear R7000P V1.3.0.8 is vulnerable to Buffer Overflow in /usr/sbin/httpd via parameter enable_band_steering.
AI-Powered Analysis
Technical Analysis
CVE-2022-44188 is a critical buffer overflow vulnerability identified in the Netgear R7000P router, specifically in version 1.3.0.8. The vulnerability exists within the router's HTTP daemon (/usr/sbin/httpd) and is triggered via the 'enable_band_steering' parameter. Buffer overflow vulnerabilities occur when a program writes more data to a buffer than it can hold, potentially allowing an attacker to overwrite adjacent memory. In this case, the overflow can be exploited remotely without authentication or user interaction, as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:N). This means an attacker can send a specially crafted HTTP request to the router's management interface, causing the buffer overflow to execute arbitrary code. The impact includes full compromise of confidentiality, integrity, and availability (C:I:A all high), allowing attackers to execute arbitrary commands, disrupt router functionality, or pivot into internal networks. The vulnerability is classified under CWE-787 (Out-of-bounds Write), a common and dangerous class of memory corruption bugs. Although no public exploits have been reported in the wild to date, the high CVSS score of 9.8 reflects the ease of exploitation and severe potential consequences. The lack of available patches or vendor advisories at the time of publication increases the urgency for mitigation. The affected product, Netgear R7000P, is a widely used consumer and small business router model, often deployed in home and office environments, making it a significant target for attackers seeking network access or disruption.
Potential Impact
For European organizations, this vulnerability poses a substantial risk, especially for small and medium enterprises (SMEs) and home office setups relying on the Netgear R7000P router. Successful exploitation can lead to complete network compromise, enabling attackers to intercept sensitive communications, exfiltrate data, or launch further attacks within the internal network. The disruption of router availability can cause significant operational downtime. Given the router's role as a network gateway, attackers could also use compromised devices as footholds for lateral movement or to launch attacks against other connected systems. The vulnerability's remote and unauthenticated nature increases the attack surface, potentially allowing widespread exploitation if attackers scan for vulnerable devices. This risk is amplified in sectors with high reliance on remote work infrastructure, such as finance, healthcare, and critical infrastructure, which are prevalent across Europe. Additionally, the lack of known exploits currently does not diminish the threat, as the vulnerability is straightforward to exploit and may be targeted in future campaigns.
Mitigation Recommendations
1. Immediate Network Segmentation: Isolate Netgear R7000P routers from critical network segments to limit potential lateral movement if compromised. 2. Disable Remote Management: Ensure that remote HTTP management interfaces are disabled or restricted to trusted IP addresses to prevent external exploitation. 3. Monitor Network Traffic: Implement IDS/IPS rules to detect anomalous HTTP requests targeting the 'enable_band_steering' parameter or unusual traffic patterns to the router's management interface. 4. Firmware Updates: Regularly check Netgear's official channels for firmware updates or security advisories addressing this vulnerability and apply patches promptly once available. 5. Replace Vulnerable Devices: For high-risk environments, consider replacing the Netgear R7000P with routers from vendors with active security support and timely patching. 6. Employ Network Access Controls: Use MAC filtering and strong authentication mechanisms to restrict access to the router's management interface. 7. Incident Response Preparedness: Develop and test incident response plans specific to router compromise scenarios, including device isolation and forensic analysis. These steps go beyond generic advice by focusing on immediate containment, proactive monitoring, and strategic device management tailored to this vulnerability's characteristics.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2022-10-30T00:00:00.000Z
- Cisa Enriched
- true
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682d983dc4522896dcbef219
Added to database: 5/21/2025, 9:09:17 AM
Last enriched: 6/22/2025, 8:19:53 AM
Last updated: 7/30/2025, 4:50:10 PM
Views: 10
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