CVEvulnerability
CVE-2025-66277
9.2 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.2 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-59
Description
A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations.
We have already fixed the vulnerability in the following versions:
QTS 5.2.8.3350 build 20251216 and later
QuTS hero h5.3.2.3354 build 20251225 and later
QuTS hero h5.2.8.3350 build 20251216 and later
Affected configurations
• qnap qts 5.2.0.2737
• qnap qts 5.2.0.2744
• qnap qts 5.2.0.2782
• qnap qts 5.2.0.2802
• qnap qts 5.2.0.2823
• qnap qts 5.2.0.2851
• qnap qts 5.2.0.2860
• qnap qts 5.2.1.2930
• qnap qts 5.2.2.2950
• qnap qts 5.2.3.3006
• qnap qts 5.2.4.3070
• qnap qts 5.2.4.3079
• qnap qts 5.2.4.3092
• qnap qts 5.2.5.3145
• qnap qts 5.2.6.3195
• qnap qts 5.2.6.3229
• qnap qts 5.2.7.3256
• qnap qts 5.2.7.3297
• qnap qts 5.2.8.3332
• qnap quts hero h5.2.0.2737
• qnap quts hero h5.2.0.2782
• qnap quts hero h5.2.0.2789
• qnap quts hero h5.2.0.2802
• qnap quts hero h5.2.0.2823
• qnap quts hero h5.2.0.2851
• qnap quts hero h5.2.0.2860
• qnap quts hero h5.2.1.2929
• qnap quts hero h5.2.1.2940
• qnap quts hero h5.2.2.2952
• qnap quts hero h5.2.3.3006
• qnap quts hero h5.2.4.3070
• qnap quts hero h5.2.4.3079
• qnap quts hero h5.2.5.3138
• qnap quts hero h5.2.6.3195
• qnap quts hero h5.2.7.3256
• qnap quts hero h5.2.7.3297
• qnap quts hero h5.2.8.3321
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://www.qnap.com/en/security-advisory/qsa-26-05 Vendor Advisory