PT-2025-13578 · Totolink · Totolink A3100R

Published 2025-03-28 · Updated 2025-03-31 · CVE-2025-28256

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions TOTOLINK A3100R version 4.1.2cu.5247 B20211129

Description An issue in TOTOLINK A3100R allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste modules/wireless.so.

Recommendations As a temporary workaround, consider disabling the setWebWlanIdx function until a patch is available. Restrict access to the /lib/cste modules/wireless.so file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2025-04034

CVE-2025-28256

Affected Products

Totolink A3100R

References · 7

• 🔥 https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/A3100R/1.md · Exploit
• https://bdu.fstec.ru/vul/2025-04034 · Security Note
• https://osv.dev/vulnerability/CVE-2025-28256 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-28256 · Security Note
• https://t.me/cvenotify/117099 · Telegram Post
• https://t.me/cvetracker/20229 · Telegram Post
• https://twitter.com/CVEnew/status/1905811741121954049 · Twitter Post