Vulnerability · Published Feb 16, 2025 · Assigned by VulDB

CVE-2025-1340TOTOLINK X18 cstecgi.cgi setPasswordCfg stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in X18 from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 16.7% (higher than 97% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)16.7%top 3.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical has been found in TOTOLINK X18 9.1.0cu.2024_B20220329. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi. The manipulation as part of String 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 vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	X18	9.1.0cu.2024_B20220329

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

References

VDB-295956 | TOTOLINK X18 cstecgi.cgi setPasswordCfg stack-based overflow vdb-entry, technical-description
VDB-295956 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #495368 | totolink x18 V9.1.0cu.2024_B20220329 stack overflow third-party-advisory
https://github.com/stevenchen0x01/CVE2/blob/main/stack_overflow.md exploit
https://www.totolink.net/ product