CVE-2026-5853

CRITICAL

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument addrPrefixLen leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CVSS v3.1 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
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 4/9/2026Modified: 4/27/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (5)

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_159/README.mdhttps://vuldb.com/submit/791274https://vuldb.com/vuln/356379https://vuldb.com/vuln/356379/ctihttps://www.totolink.net/