CVE-2026-1548

LOW EPSS 86.1%
Published Jan 28, 20265mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Jan 28, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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
86.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

Affected Products 2

VendorProductVersionRange
totolinka7000r_firmware4.1cu.4154any
totolinka7000r*any

References 6

  • github.com https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md
    ExploitThird Party Advisory
  • github.com https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md#poc
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.343232
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.343232
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.739715
    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.