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VulnerabilityPublished Updated

CVE-2024-24334: rt-thread · Heap-based Buffer Overflow

Affects rt-threadSource CVE Database V5

0

Not known to be exploited · CVSS 8.4 High : upgrade to 5.0.3 soon.

Data as of 26 Oct 2026, 11:42 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.0.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Mar 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade rt-thread/rt-thread to 5.0.3.

Affected software

ProductAffectedFixed in
GitHubrt-thread/rt-threadpkg:github/rt-thread/rt-threadOther threatsAffected
  • <5.0.3
Fixed in
  • 5.0.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

  1. Restrict local access to devices running RT-Thread, ensuring only trusted personnel and systems can interact with them.
  2. Implement network segmentation to isolate embedded devices and reduce the risk of lateral movement by attackers.
  3. Monitor device logs and behavior for signs of memory corruption or abnormal crashes that could indicate exploitation attempts.
  4. Apply strict access controls and disable unnecessary interfaces or services that could provide local access.
  5. 6. Conduct thorough security assessments and penetration testing on RT-Thread deployments to identify potential exploitation paths. 7. Use runtime protections such as memory protection units (MPUs) or address space layout randomization (ASLR) if supported by the platform to mitigate exploitation impact. 8. Prepare incident response plans specific to embedded device compromise scenarios to minimize damage if exploitation occurs.

Description

A heap buffer overflow occurs in dfs_v2 dfs_file in RT-Thread through 5.0.2.

References

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