CVE-2022-0982: Accel-Ppp

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.

Affected products

• Accel-Ppp Accel-Ppp: up to and including 1.12.0

Published 2022-03-16. Last modified 2026-06-17.