CVE-2025-4270 — MEDIUM (5.3)

Vulnerability Description

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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Totolink	A720R Firmware	4.1.5cu.374
Totolink	A720R	-

Related Weaknesses (CWE)

CWE-284 CWE-200

References

https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.mdExploit
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStatusCfg.mdExploit
https://vuldb.com/?ctiid.307374Permissions RequiredVDB Entry
https://vuldb.com/?id.307374Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.563442Third Party AdvisoryVDB Entry
https://www.totolink.net/Product

FAQ

What is CVE-2025-4270?

CVE-2025-4270 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ma...

How severe is CVE-2025-4270?

CVE-2025-4270 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-4270?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink A720R Firmware, Totolink A720R.