Vulnerability · Published Aug 18, 2024 · Assigned by VulDB

CVE-2024-7909TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in EX1200L from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.5%top 26.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023 and classified as critical. Affected by this vulnerability is the function setLanguageCfg of the file /www/cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	EX1200L	9.3.5u.6146_B20201023

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-275035 | TOTOLINK EX1200L cstecgi.cgi setLanguageCfg stack-based overflow vdb-entry, technical-description
VDB-275035 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #388436 | TOTOLINK EX1200L V9.3.5u.6146_B20201023 Buffer Overflow third-party-advisory
https://github.com/BeaCox/IoT_vuln/tree/main/totolink/EX1200L/setLanguageCfg_bof exploit
https://www.totolink.net/ product