Vulnerability · Published Mar 22, 2024 · Assigned by VulDB

CVE-2024-2809Tenda AC15 SetFirewallCfg formSetFirewallCfg stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in AC15 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.9%top 20.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, was found in Tenda AC15 15.03.05.18/15.03.20_multi. Affected is the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257664. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	AC15	15.03.05.1815.03.20_multi

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-257664 | Tenda AC15 SetFirewallCfg formSetFirewallCfg stack-based overflow vdb-entry, technical-description
VDB-257664 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC15/V1.0%20V15.03.20_multi/formSetFirewallCfg.md exploit