PT-2026-32195 · Totolink · A7100Ru

Ltzhuster · Published 2026-04-13 · Updated 2026-04-14 · CVE-2026-6138

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 flaw in the CGI Handler allows remote attackers to execute operating system commands. This occurs through the manipulation of the mac parameter within the setAccessDeviceCfg() function of the '/cgi-bin/cstecgi.cgi' file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-6138

Affected Products

A7100Ru

References · 12

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_191/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6138 · Security Note
• https://twitter.com/CVEarity/status/2043719817237246161 · Twitter Post
• https://twitter.com/OrizonCyber/status/2043547238438142107 · Twitter Post
• https://vuldb.com/submit/792980 · Note
• https://twitter.com/PurpleOps_io/status/2043909934350254342 · Twitter Post
• https://twitter.com/0dayPublishing/status/2043481692359246218 · Twitter Post
• https://totolink.net · Note
• https://vuldb.com/vuln/357002 · Note
• https://vuldb.com/vuln/357002/cti · Note
• https://twitter.com/CVEnew/status/2043561031021007067 · Twitter Post
• https://twitter.com/CveFindCom/status/2043482344200290665 · Twitter Post