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CVE-2026-5683 Tenda CVE debrief

A stack-based buffer overflow vulnerability was found in Tenda CX12L 16.03.53.12, affecting the fromP2pListFilter function of the /goform/P2pListFilter file. The vulnerability requires the attack to originate from the local network. The exploit has been made public and could be used. This vulnerability has a CVSS score of 2 and a CVSS severity of LOW. The attack vector is Adjacent (AV:A), and the attack complexity is Low (AC:L). Network administrators and security teams responsible for Tenda CX12L devices should prioritize patching this vulnerability to prevent potential local network attacks.

Vendor
Tenda
Product
CX12L
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-07-24
Advisory published
2026-04-06
Advisory updated
2026-07-24

Who should care

Network administrators and security teams responsible for Tenda CX12L devices should prioritize patching this vulnerability to prevent potential local network attacks. They should review the official advisory and consider implementing additional security controls, such as network segmentation and access controls.

Technical summary

The CVE-2026-5683 vulnerability is a stack-based buffer overflow in the fromP2pListFilter function of Tenda CX12L 16.03.53.12. The function is located in the /goform/P2pListFilter file. The vulnerability has a CVSS score of 2 and a CVSS severity of LOW. The attack vector is Adjacent (AV:A), and the attack complexity is Low (AC:L). The vulnerability requires local network access. Network administrators and security teams should review the official advisory and consider implementing additional security controls.

Defensive priority

Medium priority due to the local network attack requirement and low CVSS score.

Recommended defensive actions

  • Apply the vendor patch or update to a fixed version if available.
  • Restrict access to the /goform/P2pListFilter file to only necessary personnel.
  • Monitor network traffic and system logs for potential exploitation attempts.
  • Consider implementing additional security controls, such as network segmentation and access controls.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-04-06T21:16:22.183Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Analyzed. The vulnerability has a CVSS score of 2 and a CVSS severity of LOW. The attack vector is Adjacent (AV:A), and the attack complexity is Low (AC:L). The exploit has been made public and could be used. Network administrators and security teams should verify the affected product deployments and review the official advisory for further information.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-06T21:16:22.183Z and has not been modified since then. The NVD entry is currently Analyzed.