How severe is CVE-2025-29901?

CVE-2025-29901 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-29901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29901?

CVE-2025-29901 affects Qnap File Station. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-29901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-29901 have an EU (EUVD) identifier?

Yes. CVE-2025-29901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25777.

When was CVE-2025-29901 published?

CVE-2025-29901 was published on 2025-08-26 and last updated on 2026-06-17.

CVE-2025-29901

CVE-2025-29901 is a medium-severity vulnerability in Qnap File Station with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25777
Weakness: CWE-476
Affected product: Qnap File Station
Published: 2025-08-26
Last modified: 2026-06-17

Description

A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.4933 and later

Frequently asked questions

What is CVE-2025-29901?: A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.4933 and later
How severe is CVE-2025-29901?: CVE-2025-29901 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-29901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29901?: CVE-2025-29901 affects Qnap File Station. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29901 have an EU (EUVD) identifier?: Yes. CVE-2025-29901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25777.
When was CVE-2025-29901 published?: CVE-2025-29901 was published on 2025-08-26 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-25-31

Affected products (1)

cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*

More vulnerabilities in Qnap File Station

CVE-2026-26241 — Critical (CVSS 9.1): A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the…
CVE-2026-26240 — Critical (CVSS 9.1): A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the…
CVE-2024-48864 — Critical (CVSS 9.1): A files or directories accessible to external parties vulnerability has been reported to affect File Station 5. If…
CVE-2025-57707 — High (CVSS 8.8): An improper neutralization of directives in statically saved code ('Static Code Injection') vulnerability has been…
CVE-2025-33031 — High (CVSS 8.8): An improper certificate validation vulnerability has been reported to affect File Station 5. If a remote attacker gains…
CVE-2025-30279 — High (CVSS 8.8): An improper certificate validation vulnerability has been reported to affect File Station 5. If a remote attacker…

All CVEs affecting Qnap File Station →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →