5.5

CVE-2025-62844: qnap systems inc. qurouter Weak Authentication

CVSS: 5.5v3.1MediumAnalyzed
Published 20-03-2026Last modified 25-03-2026
Open JSON

Vulnerability summary

CVE-2025-62844 is a medium (CVSS 5.5) Weak Authentication vulnerability in qnap systems inc. qurouter. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 9.9% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-03-2026
    PublishedVulnerability first disclosed.
  2. 25-03-2026
    Last modifiedVulnerability information updated.

Description

A weak authentication vulnerability has been reported to affect QHora. If an attacker gains local network access, they can then exploit the vulnerability to gain sensitive information. We have already fixed the vulnerability in the following version: QuRouter 2.6.2.007 and later

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

+0.01 pp

From 0.20% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap1 product
  • qurouter2.6.0.239:build_20250625 | 2.6.0.688:build_20250818 | 2.6.1.028:build_20251001
Qnap systems inc.1 product

2 vendors · 2 products

References

1 links