PT-2026-3417 · Totolink · Totolink Lr350

Yhryhryhr_Tu · Published 2026-01-10 · Updated 2026-01-29 · CVE-2026-1158

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Totolink LR350 version 9.3.5u.6369 B20220309

Description A security flaw exists in Totolink LR350. The issue affects the setWizardCfg function within the /cgi-bin/cstecgi.cgi file, specifically in the POST Request Handler component. Manipulation of the ssid argument can lead to a buffer overflow. This attack can be initiated remotely. The exploit has been publicly released.

Recommendations Totolink LR350 version 9.3.5u.6369 B20220309: As a temporary workaround, consider restricting access to the /cgi-bin/cstecgi.cgi file until a patch is available.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2026-00605

CVE-2026-1158

Affected Products

Totolink Lr350

References · 15

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWizardCfg-2e453a41781f80ce89cfc1d25049e279?source=copy_link · Exploit
• https://osv.dev/vulnerability/CVE-2026-1158 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00605 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-1158 · Security Note
• https://t.me/cveNotify/150306 · Telegram Post
• https://vuldb.com/?ctiid.341752 · Note
• https://twitter.com/TheHackerWire/status/2013269419561242792 · Twitter Post
• https://twitter.com/CveFindCom/status/2013275032928022659 · Twitter Post
• https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWizardCfg-2e453a41781f80ce89cfc1d25049e279 · Note
• https://twitter.com/CVEnew/status/2013270790242750869 · Twitter Post
• https://twitter.com/vuldb/status/2012989893950238773 · Twitter Post
• https://totolink.net · Note
• https://vuldb.com/?submit.735728 · Note
• https://twitter.com/VulmonFeeds/status/2013283345220632763 · Twitter Post
• https://vuldb.com/?id.341752 · Note