How severe is CVE-2024-25389?

CVE-2024-25389 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-25389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-25389?

CVE-2024-25389 affects Rt-thread. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-25389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-25389 have an EU (EUVD) identifier?

Yes. CVE-2024-25389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22722.

When was CVE-2024-25389 published?

CVE-2024-25389 was published on 2024-03-27 and last updated on 2026-06-17.

CVE-2024-25389

CVE-2024-25389 is a high-severity vulnerability in Rt-thread with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-338.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-22722
Weakness: CWE-338
Affected product: Rt-thread
Published: 2024-03-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-25389?: 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 severe is CVE-2024-25389?: CVE-2024-25389 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-25389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-25389?: CVE-2024-25389 affects Rt-thread. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-25389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-25389 have an EU (EUVD) identifier?: Yes. CVE-2024-25389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22722.
When was CVE-2024-25389 published?: CVE-2024-25389 was published on 2024-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*

More vulnerabilities in Rt-thread

CVE-2024-25393 — Critical (CVSS 9.8): A stack buffer overflow occurs in net/at/src/at_server.c in RT-Thread through 5.0.2.
CVE-2024-25395 — High (CVSS 8.8): A buffer overflow occurs in utilities/rt-link/src/rtlink.c in RT-Thread through 5.0.2.
CVE-2024-25391 — High (CVSS 8.4): A stack buffer overflow occurs in libc/posix/ipc/mqueue.c in RT-Thread through 5.0.2.
CVE-2024-25390 — High (CVSS 8.4): A heap buffer overflow occurs in finsh/msh_file.c and finsh/msh.c in RT-Thread through 5.0.2.
CVE-2024-25388 — High (CVSS 8.4): drivers/wlan/wlan_mgmt,c in RT-Thread through 5.0.2 has an integer signedness error and resultant buffer overflow.
CVE-2024-24335 — High (CVSS 8.4): A heap buffer overflow occurs in the dfs_v2 romfs filesystem RT-Thread through 5.0.2.

All CVEs affecting Rt-thread →

Other CWE-338 vulnerabilities

CVE-2026-56141 — Critical (CVSS 9.8): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 account…
CVE-2026-3256 — Critical (CVSS 9.8): HTTP::Session versions before 0.54 for Perl defaults to using insecurely generated session ids. HTTP::Session defaults…
CVE-2025-15604 — Critical (CVSS 9.8): Amon2 versions before 6.17 for Perl use an insecure random_string implementation for security functions. In versions…
CVE-2025-40926 — Critical (CVSS 9.8): Plack::Middleware::Session::Simple versions before 0.05 for Perl generates session ids insecurely. The default session…
CVE-2026-2439 — Critical (CVSS 9.8): Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generate_session_id…
CVE-2025-15578 — Critical (CVSS 9.8): Maypole versions from 2.10 through 2.13 for Perl generates session ids insecurely. The session id is seeded with the…

Browse all CWE-338 vulnerabilities →