VulnerabilityModified

CVE-2022-43390

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.

HIGH 8.8EPSS 1.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.11% probability · 66th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-78
Affected: zyxel/lte7480-m804 firmware · zyxel/lte7490-m904 firmware · zyxel/nebula nr5101 firmware · zyxel/nebula nr7101 firmware · zyxel/nr5101 firmware · zyxel/nr7101 firmware · zyxel/nr7102 firmware · zyxel/dx3301-t0 firmware · zyxel/dx4510-b1 firmware · zyxel/dx5401-b0 firmware · zyxel/emg3525-t50b firmware · zyxel/emg5523-t50b firmware · zyxel/emg5723-t50k firmware · zyxel/ex3301-t0 firmware · zyxel/ex3510-b0 firmware · zyxel/ex5401-b0 firmware · zyxel/ex5501-b0 firmware · zyxel/ex5510-b0 firmware · zyxel/ex5512-t0 firmware · zyxel/ex5600-t1 firmware · +19 more
Source: security@zyxel.com.tw

EPSS trend

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.