CVE-2025-4270

medium · 6.9

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.

6.9

CVSS

13.1%

EPSS (exploit prob.)

96th

EPSS percentile

2025-05-05

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-200CWE-284

Affected products

Vendor	Product	Affected versions
totolink	a720r_firmware	4.1.5cu.374
totolink	a720r	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.md
https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStatusCfg.md
https://vuldb.com/?ctiid.307374
https://vuldb.com/?id.307374
https://vuldb.com/?submit.563442
https://www.totolink.net/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-4270