CVE-2026-7081: Buffer Overflow in Tenda F456
CVE-2026-7081 is a high-severity buffer overflow vulnerability in the Tenda F456 router firmware version 1. 0. 0. 5. The flaw exists in the httpd component, specifically in the fromGstDhcpSetSer function handling the dips argument. This vulnerability can be exploited remotely without user interaction and requires low attack complexity and privileges. Although an exploit is publicly available, there is no confirmed patch or official remediation at this time.
AI Analysis
Technical Summary
The vulnerability CVE-2026-7081 affects Tenda F456 version 1.0.0.5 and is caused by a buffer overflow in the fromGstDhcpSetSer function within the httpd component. Manipulating the dips argument triggers the overflow, enabling remote attackers to potentially execute arbitrary code or cause denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation. No official fix or patch has been documented, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code or disrupt the device's operation due to buffer overflow conditions. The vulnerability requires no user interaction and low privileges, increasing the risk of compromise. The presence of a public exploit increases the likelihood of active attempts, although no confirmed in-the-wild exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting remote access to the affected device and monitor for updates from Tenda. No vendor advisory or official remediation information is currently available.
CVE-2026-7081: Buffer Overflow in Tenda F456
Description
CVE-2026-7081 is a high-severity buffer overflow vulnerability in the Tenda F456 router firmware version 1. 0. 0. 5. The flaw exists in the httpd component, specifically in the fromGstDhcpSetSer function handling the dips argument. This vulnerability can be exploited remotely without user interaction and requires low attack complexity and privileges. Although an exploit is publicly available, there is no confirmed patch or official remediation at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-7081 affects Tenda F456 version 1.0.0.5 and is caused by a buffer overflow in the fromGstDhcpSetSer function within the httpd component. Manipulating the dips argument triggers the overflow, enabling remote attackers to potentially execute arbitrary code or cause denial of service. The CVSS 4.0 base score is 8.7, reflecting high impact and ease of exploitation. No official fix or patch has been documented, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code or disrupt the device's operation due to buffer overflow conditions. The vulnerability requires no user interaction and low privileges, increasing the risk of compromise. The presence of a public exploit increases the likelihood of active attempts, although no confirmed in-the-wild exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting remote access to the affected device and monitor for updates from Tenda. No vendor advisory or official remediation information is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-26T08:00:19.267Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69eee2caba26a39fbaceec6b
Added to database: 4/27/2026, 4:15:06 AM
Last enriched: 4/27/2026, 4:30:09 AM
Last updated: 4/27/2026, 5:24:09 AM
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.