CVE-2026-5177

Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injection

HIGH
8.8
CVSS Score
Published: March 31, 2026 at 02:00 AM UTC
Updated: June 17, 2026 at 10:58 AM UTC
2 products affected across 1 vendorA3300RA3300R Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
PoC

Description

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/354245
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/354245/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/779146
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77CWE-74

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