CVE-2023-25234

CRITICAL

Tenda AC500 V2.0.1.9(1307) - Buffer Overflow in fromAddressNat via entrys and mitInterface

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-25234. PoCs published by FzBacon.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-25234, a stack-based buffer overflow vulnerability in Tenda AC6 routers. The vulnerability occurs in the `fromAddressNat` function due to improper handling of user-supplied parameters `entrys` and `mitInterface`, leading to potential DoS or RCE.

Description

Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromAddressNat via parameters entrys and mitInterface.

Exploits (1)

nomisec WRITEUP
by FzBacon · poc
https://github.com/FzBacon/CVE-2023-25234_Tenda_AC6_stack_overflow

This repository provides a detailed technical analysis of CVE-2023-25234, a stack-based buffer overflow vulnerability in Tenda AC6 routers. The vulnerability occurs in the `fromAddressNat` function due to improper handling of user-supplied parameters `entrys` and `mitInterface`, leading to potential DoS or RCE.

Classification
Writeup 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Tenda AC6 V15.03.05.09_multi ~ V15.03.05.19
No auth needed
Prerequisites: Network access to the vulnerable router
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.1661
EPSS Percentile 96.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
tenda/ac500_firmware 2.0.1.9\(1307\)
Published Feb 27, 2023
Tracked Since Feb 18, 2026