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CVE-2022-25635: Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation fo

35
Routine
MEDIUM 6.5WATCHLISTUPGRADE

CVE-2022-25635 is a medium-severity flaw (CVSS 6.5) affecting bluetooth mesh software development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation for broadcast network packet length. An unauthenticated attacker in the adjacent network can exploit this vulnerability to disrupt service.

Why this priority

  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.4% (top 69%)
CISA exploited listNo
WeaknessCWE-120
Published2022-08-30
Last modified2026-06-17
Publisher (CNA): TWCERT/CC · Vendor: realtek

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

realtek bluetooth mesh software development kit UPGRADE
Affected: <= 4.17-4.17-20220127
Fixed in: newer than 4.17-4.17-20220127
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bluetooth-mesh-software-development-kit || rpm -q bluetooth-mesh-software-development-kit || bluetooth-mesh-software-development-kit --version
2. UPGRADE to newer than 4.17-4.17-20220127 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade bluetooth-mesh-software-development-kit
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade bluetooth-mesh-software-development-kit
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-25635?

bluetooth mesh software development kit: upgrade to newer than 4.17-4.17-20220127. Exact commands for each OS are on this page.

Is CVE-2022-25635 being exploited?

CVE-2022-25635 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-25635 affect?

CVE-2022-25635 affects bluetooth mesh software development kit. Severity is medium (CVSS 6.5). Realtek Linux/Android Bluetooth Mesh SDK has a buffer overflow vulnerability due to insufficient validation for broadcast network packet length. An unauthenticated attacker in the adjacent network can exploit this vulnerability to disrupt s

How urgent is CVE-2022-25635?

Priority 35/100. On your watchlist

Software pages

Android vulnerabilities · Bluetooth vulnerabilities

Related CVEs

References

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