#VU96717 Buffer overflow in ZyXEL Communications Corp. products - CVE-2024-5412

Vulnerability identifier: #VU96717

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2024-5412

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
NR5103
NR5103Ev2
NR5307
NR7103
NR7302
NR7303
NR7501
Nebula FWA510
Nebula FWA710
Nebula FWA505
Nebula LTE3301-PLUS
DX3300-T0
DX3300-T1
DX3301-T0
DX5401-B1
EX3300-T0
EX3300-T1
EX3301-T0
EX3500-T0
EX3501-T0
EX5401-B1
EX5512-T0
EX5601-T0
EX5601-T1
EX7501-B0
EX7710-B0
VMG4005-B50A
VMG4005-B60A
AX7501-B1
PM3100-T0
PM5100-T0
PX3321-T1
SCR50AXE
WX3100-T0
WX3401-B0
WX5600-T0
DX4510-B0
AX7501-B0
DX5401-B0
EX3510-B0
EX5401-B0
EX5510-B0
EMG3525-T50B
EMG5523-T50B
EMG5723-T50K
VMG3625-T50B
VMG3927-T50K
VMG8623-T50B
VMG8825-T50K
PM7300-T0

Software vendor:
ZyXEL Communications Corp.

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in the "libclinkc" library. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Install updates from vendor's website.

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-some-5g-nr-cpe-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-security-router-devices-09-03-2024