CVE-2021-22383: Huawei ECNS280 Td Firmware

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

There is an out-of-bounds read vulnerability in eCNS280_TD V100R005C10 and eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a message-handling function that contains an out-of-bounds read vulnerability. An attacker can exploit this vulnerability by sending a specific message to the target device, which could cause a Denial of Service (DoS).

Affected products

• Huawei ECNS280 Td Firmware: version v100r005c10 only
• Huawei ESE620X Vess Firmware: version v100r001c10spc200 only; version v100r001c20spc200 only; version v200r001c00spc300 only

Published 2021-06-22. Last modified 2026-06-17.