9.8

CVE-2023-43141: totolink a3700r_firmware Improper Access Control

Modified
Published 25-09-2023Last modified 09-07-2026

Vulnerability summary

CVE-2023-43141 is a critical (CVSS 9.8) Improper Access Control vulnerability in totolink a3700r_firmware. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.79%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 25-09-2023
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

TOTOLINK A3700R V9.1.2u.6134_B20201202 and N600R V5.3c.5137 are vulnerable to Incorrect Access Control.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

Increase +0.13 pp

From 0.66% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Vul

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Totolink2 products

1 vendor · 2 products

References

1 links