Realtek Linux/Android Bluetooth Mesh SDK - Buffer Overflow

published 2022-08-30 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31084

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation for the size of segmented packets’ reference parameter. An unauthenticated attacker in the adjacent network can exploit this vulnerability to cause buffer overflow and disrupt service.

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Realtek Linux/Android Bluetooth Mesh SDK

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

twcert.org.tw /tw/cp-132-6457-66bc9-1.html
third-party-advisory, vdb-entry

Sources

CVE List CVE-2022-26527
NVD CVE-2022-26527

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary