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Public proof of concept

CVE-2025-7615

A public proof of concept exists; no exploitation attested.

  • Published2025-07-14
  • WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748. Affected by this vulnerability is the function clearPairCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Timeline

dates in UTC
  1. 2025-07-1416:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-7615?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-7615?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Totolink t6 firmwareversion to verify
BranchAffectedFixed in
4.1= v4.1.5cu.748_b20211015no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2025-07-14
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.02.1read 2026-10-23
  • CNACVSS 3.16.3read 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNACVSS 2.06.5read 2026-10-23
  • CNAweakness (CWE)CWE-74, CWE-77read 2026-10-23
  • FIRST EPSSEPSS score2.4 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
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
Published
2025-07-14
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2025-7615?

A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748. Affected by this vulnerability is the function clearPairCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Is CVE-2025-7615 actively exploited?

A proof-of-concept exploit exists for CVE-2025-7615, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-7615?

CVE-2025-7615 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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