6.9

CVE-2025-3667: totolink a3700r_firmware Incorrect Privilege Assignment

CVSS: 6.9v4.0MediumAnalyzed
Published 16-04-2025Last modified 16-04-2025
Open JSON

Vulnerability summary

CVE-2025-3667 is a medium (CVSS 6.9) Incorrect Privilege Assignment vulnerability in totolink a3700r_firmware. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-04-2025
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been classified as critical. This affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.64% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (lavender-bicycle-a5a.notion.site)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Totolink1 product

1 vendor · 1 product

References

5 links