PT-2026-32145 · Totolink · Totolink A7100Ru

Ltzhust2 · Published 2026-04-12 · Updated 2026-04-13 · CVE-2026-6112

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 weakness exists in the Totolink A7100RU version 7.4cu.2313 b20191024. The issue is due to a flaw in the setRadvdCfg function within the CGI Handler component, specifically in the file /cgi-bin/cstecgi.cgi. Manipulation of the maxRtrAdvInterval argument can lead to operating system command injection. This can be initiated remotely. The exploit has been made publicly available.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-6112

Affected Products

Totolink A7100Ru

References · 12

• 🔥 https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_177/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6112 · Security Note
• https://twitter.com/CVEarity/status/2043316823635136634 · Twitter Post
• https://twitter.com/OrizonCyber/status/2043184848634773789 · Twitter Post
• https://vuldb.com/vuln/356972 · Note
• https://twitter.com/PurpleOps_io/status/2043547587525906721 · Twitter Post
• https://twitter.com/CveFindCom/status/2043188057155703032 · Twitter Post
• https://vuldb.com/submit/792245 · Note
• https://twitter.com/ctiwatchcloud/status/2043298097363657013 · Twitter Post
• https://vuldb.com/vuln/356972/cti · Note
• https://twitter.com/VulmonFeeds/status/2043191806326603798 · Twitter Post
• https://totolink.net · Note