8.8

CVE-2019-10631: zyxel nas326_firmware OS Command Injection

CVSS: 8.8v3.0HighModified
Published 09-04-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-10631 is a high (CVSS 8.8) OS Command Injection vulnerability in zyxel nas326_firmware. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 09-04-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Shell Metacharacter Injection in the package installer on Zyxel NAS 326 version 5.21 and below allows an authenticated attacker to execute arbitrary code via multiple different requests.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (maxwelldulin.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Zyxel1 product

1 vendor · 1 product

References

1 links