CVE-2026-3301

HIGH EPSS 89.3%
Published Feb 27, 20264mo ago · Modified Jun 17, 20261w ago
8.9 CVSS 4.0
High
Find Similar
Published Feb 27, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

Description

A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument webWlanIdx results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVSS Details

Base Score
8.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
89.3% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

Affected Products 3

VendorProductVersionRange
totolinkn300rh_firmware6.1c.1349_b20181018any
totolinkn300rh_firmware6.1c.1353_b20190305any
totolinkn300rh4.0any

References 5

  • github.com https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/N300RHv4/01_setWebWlanIdx_RCE/README.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.348052
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.348052
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.761297
    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.