CVE-2025-7615 TOTOLINK T6 HTTP POST Request cstecgi.cgi clearPairCfg command injection

What is CVE-2025-7615?

CVE-2025-7615 is a medium-severity command injection vulnerability in TOTOLINK T6, published on 14 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748. Affected by this vulnerability is the function clearPairCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-7615?

It affects 1 product.

Products include Totolink T6 Firmware.

How do I fix CVE-2025-7615?

No fix has been published for CVE-2025-7615 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-7615 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7615 exists.

Other vulnerabilities in TOTOLINK T6

• CVE-2023-7221 Totolink T6 HTTP POST Request main buffer overflow Critical 9.8
• CVE-2022-38823 Hardcoded credentials in n/a Critical 9.8
• CVE-2022-38826 Command injection in n/a Critical 9.8
• CVE-2022-38827 Memory corruption in n/a Critical 9.8
• CVE-2022-38828 Command injection in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5c57-5xxh-xxwp.