CVE-2026-22213 is a critical stack-based buffer overflow vulnerability affecting RIOT OS versions up to 2026.01-devel-317, specifically within the tapslip6 utility. An attacker can exploit this by providing an excessively long device name via the -s command-line option, leading to process crashes and memory corruption due to unsafe string concatenation. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2025.10CPE matchmatch criteria | cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:* | ||
2026.01CPE matchmatch criteria | cpe:2.3:o:riot-os:riot:2026.01:devel:*:*:*:*:*:* | ||
2026.01CPE matchmatch criteria | cpe:2.3:o:riot-os:riot:2026.01:rc1:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.