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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 16.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-16 · updated 2026-06-17
Weakness: CWE-119

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

TOTOLINK X18: 9.1.0cu.2024_b20220329

References

https://github.com/stevenchen0x01/CVE2/blob/main/stack_overflow.md
https://vuldb.com/?ctiid.295956
https://vuldb.com/?id.295956
https://vuldb.com/?submit.495368
https://www.totolink.net/

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