PT-2026-32189 · Totolink · Totolink A7100Ru

Ltzhust2 · Published 2026-04-12 · Updated 2026-04-13 · CVE-2026-6131

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 A7100RU version 7.4cu.2313 b20191024

Description A vulnerability exists in the Totolink A7100RU version 7.4cu.2313 b20191024. The setTracerouteCfg function within the /cgi-bin/cstecgi.cgi component (CGI Handler) is susceptible to OS command injection through manipulation of the command argument. This allows for remote attacks.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /cgi-bin/cstecgi.cgi file.

Exploit

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-6131

Affected Products

Totolink A7100Ru

References · 10

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6131 · Security Note
• https://twitter.com/CVEnew/status/2043561037585117486 · Twitter Post
• https://vuldb.com/vuln/356995 · Note
• https://vuldb.com/submit/792251 · Note
• https://twitter.com/CveFindCom/status/2043459906557153388 · Twitter Post
• https://twitter.com/0dayPublishing/status/2043455270328598932 · Twitter Post
• https://twitter.com/OrizonCyber/status/2043471738164367590 · Twitter Post
• https://vuldb.com/vuln/356995/cti · Note
• https://totolink.net · Note