CVE-2026-1548

Totolink A7000R cstecgi.cgi CloudACMunualUpdateUserdata command injection

HIGH
8.8
CVSS Score
Published: January 28, 2026 at 10:32 PM UTC
Updated: June 17, 2026 at 10:16 AM UTC
2 products affected across 1 vendorA7000RA7000R Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
PoC

Description

A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Affected

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

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.343232
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.343232
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.739715
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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