CVE-2026-5992: Tenda F451 stack overflow in fromP2pListFilter

CVE-2026-5992 · Severity: high · CVSS 8.8 · Published 2026-04-10

A vulnerability exists in the Tenda F451 wireless router, a device used to provide internet connectivity for homes and small offices. An attacker could exploit this flaw to crash the router or potentially take full control of the device. This could lead to unauthorized access to network traffic, service disruptions, or a foothold for further attacks on the local network.

Technologies: Tenda F451, Tenda F451 Firmware. Vendors: Tenda.

Quick answers

Is CVE-2026-5992 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-5992 being exploited in the wild.
How severe is CVE-2026-5992?
High severity, with a CVSS score of 8.8, published 10 April 2026.
Which products and versions are affected?
Tenda F451 1.0.0.7.
Is there a fix for CVE-2026-5992?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-5992 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-5992?
Check whether you run Tenda F451 or Tenda F451 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stack-based buffer overflow vulnerability (CWE-121) exists in the Tenda F451 router firmware version 1.0.0.7. The flaw is located within the 'fromP2pListFilter' function in the '/goform/P2pListFilter' file. The vulnerability is triggered by improper validation of the 'page' argument, allowing an attacker to overwrite the stack. Exploitation requires network reachability and low-level authentication (PR:L). Successful exploitation can lead to remote code execution (RCE) or a complete system crash. A public exploit has been disclosed.

Affected products

  • Tenda F451 1.0.0.7

Timeline

  • 2026-04-10: advisory: Initial disclosure date

References

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