PT-2026-35411 · Totolink · A8000Ru

Ltzhuster2 · Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-7122

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 A8000RU version 7.1cu.643 b20200521

Description An OS command injection issue exists in the CGI Handler component. Remote attackers can exploit this by manipulating the enable argument within the setUPnPCfg() function of the '/cgi-bin/cstecgi.cgi' endpoint.

Recommendations As a temporary workaround, consider restricting access to the '/cgi-bin/cstecgi.cgi' endpoint or disabling the setUPnPCfg() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-7122

Affected Products

A8000Ru

References · 9

• 🔥 https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_307/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7122 · Security Note
• https://vuldb.com/vuln/359721/cti · Note
• https://vuldb.com/vuln/359721 · Note
• https://twitter.com/CVEnew/status/2048852181625786544 · Twitter Post
• https://t.me/CVEtracker/51942 · Telegram Post
• https://twitter.com/OrizonCyber/status/2048779232008974794 · Twitter Post
• https://totolink.net · Note
• https://vuldb.com/submit/800934 · Note