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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- 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
- 1.08% probability · 63th percentile
- 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
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extendersVendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extendersVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.