CVE-2025-12239

HIGH EPSS 50.4%
Published Oct 27, 20258mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Oct 27, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557_B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be exploited.

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
50.4% 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
totolinka3300r_firmware17.0.0cu.557_b20221024any
totolinka3300r*any

References 5

  • github.com https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDdnsCfg.md
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.329909
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.329909
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.673721
    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.