CVE-2025-28256 — CRITICAL (9.8)

Vulnerability Description

An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste_modules/wireless.so.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totolink	A3100R Firmware	4.1.2cu.5247_b20211129
Totolink	A3100R	-

Related Weaknesses (CWE)

CWE-78

References

https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/A3100R/1.mdExploitThird Party Advisory
https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/A3100R/1.mdExploitThird Party Advisory

FAQ

What is CVE-2025-28256?

CVE-2025-28256 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste_modules/wireless.so.

How severe is CVE-2025-28256?

CVE-2025-28256 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-28256?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink A3100R Firmware, Totolink A3100R.