Vulnerability · Published Aug 14, 2026 · Assigned by VulDB

CVE-2026-19791Tenda G0 httpd web management interface module addStaticRoute stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in G0 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 41.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A weakness has been identified in Tenda G0 up to 20260625. The affected element is the function addStaticRoute of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument staticRouteNet can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Affected products (as reported)

Vendor	Product	Versions
Tenda	G0	20260625

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-389759 | Tenda G0 httpd web management interface module addStaticRoute stack-based overflow vdb-entry, technical-description
VDB-389759 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-19791 | CVE Analysis and Report third-party-advisory
Submit #868927 | Tenda G0 Tenda G0 Buffer Overflow third-party-advisory
https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/2.md exploit
https://www.tenda.com.cn/ product