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

Vulnerability identifier: #VU96717

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2024-5412

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

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

Install updates from vendor's website.

VMG8623-T50B - update to 5.50(ABPM.9.2)C0
DX5401-B1 - update to 5.17(ABYO.6.2)C0
PX3321-T1 - update to 5.44(ACJB.0.2)Z0
EX3300-T0 - update to 5.50(ABVY.5.3)C0
PM7300-T0 - update to 5.42(ABYY.2.2)C0
EX3300-T1 - update to 5.50(ABVY.5.3)C0
PM5100-T0 - update to 5.42(ACBF.2.1)C0
EX3301-T0 - update to 5.50(ABVY.5.3)C0
PM3100-T0 - update to 5.42(ACBF.2.1)C0
EX3500-T0 - update to 5.44(ACHR.2)C0
AX7501-B1 - update to 5.17(ABPC.5.2)C0
EX3501-T0 - update to 5.44(ACHR.2)C0
AX7501-B0 - update to 5.17(ABPC.5.2)C0
EX3510-B0 - update to 5.17(ABUP.12)B2
VMG8825-T50K - update to 5.50(ABOM.8.4)C0
EX5401-B0 - update to 5.17(ABYO.6.2)C0
SCR50AXE - update to 1.10(ACGN.3)C0
EX5401-B1 - update to 5.17(ABYO.6.2)C0
VMG4005-B60A - update to 5.15(ABQA.2.2)C0
EX5510-B0 - update to 5.17(ABQX.10)B2
VMG4005-B50A - update to 5.15(ABQA.2.2)C0
EX5512-T0 - update to 5.70(ACEG.3)C2
VMG3927-T50K - update to 5.50(ABOM.8.4)C0
EX5601-T0 - update to 5.70(ACDZ.3.2)C0
VMG3625-T50B - update to 5.50(ABPM.9.2)C0
EX5601-T1 - update to 5.70(ACDZ.3.2)C0
EMG5723-T50K - update to 5.50(ABOM.8.4)C0
EX7501-B0 - update to 5.18(ACHN.1.2)C0
EMG5523-T50B - update to 5.50(ABPM.9.2)C0
EX7710-B0 - update to 5.18(ACAK.1)C1
EMG3525-T50B - update to 5.50(ABPM.9.2)C0
Nebula FWA710 - update to 1.18(ACGC.4)C0
NR5103 - update to 4.19(ABYC.6)C0
NR5103Ev2 - update to 1.00(ACIQ.1)C0
NR5307 - update to 1.00(ACJT.0)B6
NR7103 - update to 1.00(ACCZ.4)C0
NR7302 - update to 1.00(ACHA.4)C0
NR7303 - update to 1.00(ACEI.1)B4
NR7501 - update to 1.00(ACEH.1)C0
Nebula FWA510 - update to 1.18(ACGD.4)C0
Nebula FWA505 - update to 1.18(ACKO.4)C0
Nebula LTE3301-PLUS - update to 1.18(ACCA.4)C0
WX3401-B0 - update to 5.17(ABVE.2.5)C0
DX5401-B0 - update to 5.17(ABYO.6.2)C0
DX4510-B0 - update to 5.17(ABYL.7)B2
WX3100-T0 - update to 5.50(ABVL.4.2)C0
DX3301-T0 - update to 5.50(ABVY.5.3)C0
DX3300-T1 - update to 5.50(ABVY.5.3)C0
WX5600-T0 - update to 5.70(ACEB.3.2)C0
DX3300-T0 - update to 5.50(ABVY.5.3)C0

• 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

• Denial of service in Zyxel products