CVE-2026-4976

HIGH EPSS 46.7%
Published Mar 27, 20263mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Mar 27, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
46.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120

Affected Products 2

VendorProductVersionRange
totolinklr350_firmware9.3.5u.6369_b20220309any
totolinklr350*any

References 5

  • lavender-bicycle-a5a.notion.site https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiGuestCfg-32153a41781f8048a918c1c78e95064e?source=copy_link
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.353863
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.353863
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.778274
    Third Party AdvisoryVDB Entry
  • totolink.net https://www.totolink.net/
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.