CVE-2024-7463: TOTOLINK CP900 cstecgi.cgi UploadCustomModule buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-08-05 · updated 2026-06-17
Weakness: CWE-120

Description

A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273556. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

TOTOLINK CP900: 6.3c.566

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/CP900/UploadCustomModule.md
https://vuldb.com/?ctiid.273556
https://vuldb.com/?id.273556
https://vuldb.com/?submit.381333

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