CVE-2025-4268: TOTOLINK A720R cstecgi.cgi missing authentication

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-05 · updated 2026-06-17
Weakness: CWE-287

Description

A vulnerability has been found in TOTOLINK A720R 4.1.5cu.374 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument topicurl with the input RebootSystem leads to missing authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

TOTOLINK A720R: 4.1.5cu.374

References

https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/RebootSystem.md
https://vuldb.com/?ctiid.307372
https://vuldb.com/?id.307372
https://vuldb.com/?submit.563429
https://www.totolink.net/

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