CVE-2022-43391

A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted HTTP request.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
ZyxelCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
zyxellte3301-plus_firmware
-
zyxellte5388-m804_firmware
-
zyxellte5398-m904_firmware
-
zyxellte7240-m403_firmware
-
zyxellte7461-m602_firmware
-
zyxellte7480-m804_firmware
𝑥
< 1.00\(abra.6\)c0
zyxellte7480-s905_firmware
-
zyxellte7485-s905_firmware
-
zyxellte7490-m904_firmware
𝑥
< 1.00\(abqy.5\)c0
zyxelnebula_lte3301-plus_firmware
𝑥
< 1.15\(acca.3\)c0
zyxelnebula_lte7461-m602_firmware
𝑥
< 1.15\(acev.3\)c0
zyxelnebula_nr5101_firmware
𝑥
< 1.15\(accg.3\)c0
zyxelnebula_nr7101_firmware
𝑥
< 1.15\(accc.3\)c0
zyxelnr5101_firmware
𝑥
< 1.00\(abvc.6\)c0
zyxelnr7101_firmware
𝑥
< 1.00\(abuv.7\)c0
zyxelnr7102_firmware
𝑥
< 1.00\(abyd.2\)c0
zyxeldx3301-t0_firmware
-
zyxeldx4510-b1_firmware
-
zyxeldx5401-b0_firmware
-
zyxelemg3525-t50b_firmware
-
zyxelemg5523-t50b_firmware
-
zyxelemg5723-t50k_firmware
-
zyxelex3301-t0_firmware
-
zyxelex3510-b0_firmware
𝑥
< 5.17\(abup.7\)c0
zyxelex5401-b0_firmware
-
zyxelex5501-b0_firmware
-
zyxelex5510-b0_firmware
𝑥
< 5.17\(abqx.7\)c0
zyxelex5512-t0_firmware
-
zyxelex5600-t1_firmware
-
zyxelex5601-t0_firmware
-
zyxelex5601-t1_firmware
-
zyxelvmg3927-t50k_firmware
-
zyxelvmg4005-b50a_firmware
-
zyxelvmg4005-b60a_firmware
-
zyxelvmg8623-t50b_firmware
-
zyxelvmg8825-t50k_firmware
-
zyxelax7501-b0_firmware
-
zyxelpm3100-t0_firmware
-
zyxelpm5100-t0_firmware
-
zyxelpm7300-t0_firmware
-
zyxelpm7320-b0_firmware
-
zyxelpmg5317-t20b_firmware
-
zyxelpmg5617-t20b2_firmware
-
zyxelpmg5617ga_firmware
-
zyxelpmg5622ga_firmware
-
zyxelwx3100-t0_firmware
-
zyxelwx3401-b0_firmware
-
zyxelwx5600-t0_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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-extenders
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-extenders