CVE-2023-26976

HIGH

Tenda AC6 <15.03.05.09 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-26976. PoCs published by FzBacon.

AI-analyzed exploit summary This repository contains a functional proof-of-concept exploit for CVE-2023-26976, a stack-based buffer overflow vulnerability in Tenda AC6 routers. The exploit triggers a Denial of Service (DoS) by sending a crafted HTTP GET request with an oversized 'ssid' parameter to the '/goform/fast_setting_wifi_set' endpoint.

Description

Tenda AC6 v15.03.05.09_multi was discovered to contain a stack overflow via the ssid parameter in the form_fast_setting_wifi_set function.

Exploits (1)

nomisec WORKING POC 1 stars
by FzBacon · poc
https://github.com/FzBacon/CVE-2023-26976_tenda_AC6_stack_overflow

This repository contains a functional proof-of-concept exploit for CVE-2023-26976, a stack-based buffer overflow vulnerability in Tenda AC6 routers. The exploit triggers a Denial of Service (DoS) by sending a crafted HTTP GET request with an oversized 'ssid' parameter to the '/goform/fast_setting_wifi_set' endpoint.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Tenda AC6 v15.03.05.09_multi to v15.03.05.19_multi
No auth needed
Prerequisites: Network access to the vulnerable Tenda AC6 router
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.1595
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
tenda/ac6_firmware 15.03.05.09
Published Apr 04, 2023
Tracked Since Feb 18, 2026