VulnerabilityPublished 23 Sep 2022Updated 27 May 2025

CVE-2022-37232: Netgear N300 wireless router wnr2000v4-V1.0.0.70 is vulnerable to Buffer Overflow via uhttpd

Source CVE Database V5

Not known to be exploited.

Data as of 26 Oct 2026, 13:47 UTC

Severity

High

Rated High by the CNA (mitre) · No CVSS score from NVD or the CNA

EPSS: 1.2% chance of exploitation in 30 days – higher than 68% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

Disclosed: evidence found.
CVE published 23 Sep 2022
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
n/a n/a	Affected =1.0.0.70	Fixed in–

AI-suggested

Organizations should immediately verify if they are using the Netgear N300 WNR2000v4 router with firmware version V1.0.0.70. If so, they should check for any available firmware updates from Netgear that address this vulnerability and apply them promptly. In the absence of an official patch, users should consider the following mitigations: disable remote management interfaces exposed to the internet to reduce attack surface; restrict access to the router’s management interface to trusted internal IP addresses only; implement network segmentation to isolate vulnerable devices from critical assets; monitor network traffic for unusual activity indicative of exploitation attempts; and consider replacing affected routers with models that have active security support. Additionally, organizations should enforce strong administrative passwords and regularly audit router configurations. Network intrusion detection systems (NIDS) could be tuned to detect anomalous HTTP requests targeting the uhttpd service. Finally, raising user awareness about the risks of outdated firmware and encouraging timely updates is essential.

Description

Netgear N300 wireless router wnr2000v4-V1.0.0.70 is vulnerable to Buffer Overflow via uhttpd. There is a stack overflow vulnerability caused by strcpy.

Impact

For European organizations, this vulnerability poses a risk to network security infrastructure, particularly for small and medium-sized enterprises (SMEs) and home offices that commonly deploy consumer-grade routers like the Netgear N300 WNR2000v4. Successful exploitation could lead to unauthorized remote code execution, allowing attackers to gain control over the router. This could enable interception or manipulation of network traffic, insertion of malicious payloads, or pivoting to internal networks, severely compromising confidentiality and integrity. Additionally, a denial of service attack could disrupt network availability, impacting business operations. Given that many European organizations rely on such routers for cost-effective connectivity, the vulnerability could be exploited by cybercriminals or state-sponsored actors targeting critical infrastructure or sensitive data. The absence of known exploits suggests the threat is currently theoretical but could become practical if proof-of-concept code is developed. The impact is heightened in environments where router firmware updates are infrequent or where network segmentation is weak, increasing the risk of lateral movement within corporate networks.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Jul 2025, 04:25 UTC

Technical details

References

Community reviews

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