CVE-2024-24334: rt-thread · Heap-based Buffer Overflow
Affects rt-threadSource CVE Database V5
Not known to be exploited · CVSS 8.4 High : upgrade to 5.0.3 soon.
Data as of 26 Oct 2026, 10:12 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
GitHubrt-thread/rt-threadpkg:github/rt-thread/rt-threadOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Restrict local access to devices running RT-Thread, ensuring only trusted personnel and systems can interact with them.
- Implement network segmentation to isolate embedded devices and reduce the risk of lateral movement by attackers.
- Monitor device logs and behavior for signs of memory corruption or abnormal crashes that could indicate exploitation attempts.
- Apply strict access controls and disable unnecessary interfaces or services that could provide local access.
- 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
- github.com/RT-Thread/rt-thread/issues/8282 (opens in a new tab)
- github.com/RT-Thread/rt-thread/pull/8305 (opens in a new tab)
- seclists.org/fulldisclosure/2024/Mar/28 (opens in a new tab)
- github.com/hnsecurity/vulns/blob/main/HNS-2024-05-rt-thread.txt (opens in a new tab)
- security.humanativaspa.it/multiple-vulnerabilities-in-rt-thread-rtos/ (opens in a new tab)
- openwall.com/lists/oss-security/2024/03/05/1 (opens in a new tab)