CVE-2025-7912

HIGH EPSS 57.8%
Published Jul 20, 202511mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Jul 20, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK T6 4.1.5cu.748_B20211015. This issue affects the function recvSlaveUpgstatus of the component MQTT Service. The manipulation of the argument s leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

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
57.8% 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
totolinkt6_firmwarev4.1.5cu.748_b20211015any
totolinkt63any

References 6

  • github.com https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md
    ExploitThird Party Advisory
  • github.com https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/6.md#poc
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.317027
    Permissions Required
  • vuldb.com https://vuldb.com/?id.317027
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.618655
    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.