CVE-2024-5412: Zyxel AX7501-b0 Firmware

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Affected products

• Zyxel AX7501-b0 Firmware: before 5.17\(abpc.5.2\)c0 (fixed in 5.17\(abpc.5.2\)c0)
• Zyxel AX7501-b1 Firmware: before 5.17\(abpc.5.2\)c0 (fixed in 5.17\(abpc.5.2\)c0)
• Zyxel DX3300-t0 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel DX3300-t1 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel DX3301-t0 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel DX4510-b0 Firmware: before 5.17\(abyl.7\)b2 (fixed in 5.17\(abyl.7\)b2)
• Zyxel DX5401-b0 Firmware: before 5.17\(abyo.6.2\)c0 (fixed in 5.17\(abyo.6.2\)c0)
• Zyxel DX5401-b1 Firmware: before 5.17\(abyo.6.2\)c0 (fixed in 5.17\(abyo.6.2\)c0)
• Zyxel EMG3525-t50b Firmware: before 5.50\(abpm.9.2\)c0 (fixed in 5.50\(abpm.9.2\)c0)
• Zyxel EMG5523-t50b Firmware: before 5.50\(abpm.9.2\)c0 (fixed in 5.50\(abpm.9.2\)c0)
• Zyxel EMG5723-t50k Firmware: before 5.50\(abom.8.4\)c0 (fixed in 5.50\(abom.8.4\)c0)
• Zyxel EX3300-t0 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel EX3300-t1 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel EX3301-t0 Firmware: before 5.50\(abvy.5.3\)c0 (fixed in 5.50\(abvy.5.3\)c0)
• Zyxel EX3500-t0 Firmware: before 5.44\(achr.2\)c0 (fixed in 5.44\(achr.2\)c0)
• Zyxel EX3501-t0 Firmware: before 5.44\(achr.2\)c0 (fixed in 5.44\(achr.2\)c0)
• Zyxel EX3510-b0 Firmware: before 5.17\(abup.12\)b2 (fixed in 5.17\(abup.12\)b2)
• Zyxel EX5401-b0 Firmware: before 5.17\(abyo.6.2\)c0 (fixed in 5.17\(abyo.6.2\)c0)
• Zyxel EX5401-b1 Firmware: before 5.17\(abyo.6.2\)c0 (fixed in 5.17\(abyo.6.2\)c0)
• Zyxel EX5510-b0 Firmware: before 5.17\(abqx.10\)b2 (fixed in 5.17\(abqx.10\)b2)
• Zyxel EX5512-t0 Firmware: before 5.70\(aceg.3\)c2 (fixed in 5.70\(aceg.3\)c2)
• Zyxel EX5601-t0 Firmware: before 5.70\(acdz.3.2\)c0 (fixed in 5.70\(acdz.3.2\)c0)
• Zyxel EX5601-t1 Firmware: before 5.70\(acdz.3.2\)c0 (fixed in 5.70\(acdz.3.2\)c0)
• Zyxel EX7501-b0 Firmware: before 5.18\(achn.1.2\)c0 (fixed in 5.18\(achn.1.2\)c0)
• Zyxel EX7710-b0 Firmware: before 5.18\(acak.1\)c1 (fixed in 5.18\(acak.1\)c1)
• and 25 more

Published 2024-09-03. Last modified 2026-06-17.