A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated…

Published 3 y ago 2023-01-11 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.4

v3.1 · CNA

CISA KEV

not known exploited

EPSS

1.1%

percentile 66%

Public exploits

none known

A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to execute some OS commands on a vulnerable device by sending a crafted HTTP request.

CISA SSVC assessment

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago 2025-04-08

Exploit prediction (EPSS)

1.12% probability of exploitation in the next 30 days, higher than 66% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.1	5.4	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`
CNA	3.1	5.4	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N`
NVD	3.1	8.8	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Zyxel NR7101 firmware

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

zyxel.com /global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-b · x_transferred

Sources

CVE List: CVE-2022-43390
NVD: CVE-2022-43390

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary