6.9

CVE-2026-7633: totolink n300rh_firmware External Control of File Name or Path

CVSS: 6.9v4.0MediumDeferred
Published 02-05-2026Last modified 04-05-2026

Vulnerability summary

CVE-2026-7633 is a medium (CVSS 6.9) External Control of File Name or Path vulnerability in totolink n300rh_firmware. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% 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
0.53%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 02-05-2026
    PublishedVulnerability first disclosed.
  2. 04-05-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

+0.21 pp

From 0.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Iot Poc

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Totolink1 product

1 vendor · 1 product

References

5 links