Skip to main content

Boteraser | Website and Server Security Solutions

🛡️ CVE-2024-25389 — rt-thread

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-338 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

RT-Thread through 5.0.2 generates random numbers with a weak algorithm of "seed = 214013L * seed + 2531011L; return (seed >> 16) & 0x7FFF;" in calc_random in drivers/misc/rt_random.c.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2024-25389 is classified as CWE-338: Use of Cryptographically Weak PRNG. A general-purpose random number generator is used where a cryptographic one is required.

Affected software

CVE-2024-25389 is recorded against 1 package.

  • rt-thread (fixed in 5.0.2)

Timeline and source

Published on 27 March 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.openwall.com
github.com
github.com
seclists.org
security.humanativaspa.it
seclists.org
www.openwall.com
github.com
github.com
seclists.org
security.humanativaspa.it

Other advisories for this package

rt-thread has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-338: Use of Cryptographically Weak PRNG) in other software:

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-338
Public Exploit ✅ No
Source NVD
Published 2024-03-27
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
rt-thread — 5.0.2

References

Similar Threats

Site Security Check

Is rt-thread part of your stack?

CVE-2024-25389 is rated CVSS 7.5 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

Browse related advisories

All advisoriesCVECVE 2024
✓