CVE-2025-4270

low-risk

Published 2025-05-05

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Do I need to act?

0.40% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

A720R Firmware

Affected Vendors

Totolink

References (6)

Exploit https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.md

Exploit https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStatusCfg.md

Permissions Required https://vuldb.com/?ctiid.307374

Third Party Advisory https://vuldb.com/?id.307374

Third Party Advisory https://vuldb.com/?submit.563442

Product https://www.totolink.net/

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low-risk

Severity 21/34 · High

Exploitability 2/34 · Minimal

Exposure 5/34 · Minimal