CVE-2025-29843

A vulnerability in FileStation thumb cgi allows remote authenticated users to read/write image files.

Published: 2025-12-04 Last update: 2025-12-05 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-29843 is rated Moderate Risk (40.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.29%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-29843

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-02 0.23% 0.29% +0.06%
2 2026-04-29 0.42% 0.23% -0.18%
3 2026-04-22 — 0.42% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-29843

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.5 [email protected]

Weakness enumeration for CVE-2025-29843

Affected software / configurations for CVE-2025-29843

Vendor Product Version Raw CPE
synology router_manager >= 1.3, < 1.3.1-9346 cpe:2.3:o:synology:router_manager:*:*:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:-:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update1:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update10:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update11:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update12:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update2:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update3:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update4:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update5:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update6:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update7:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update8:*:*:*:*:*:*
synology router_manager 1.3.1-9346 cpe:2.3:o:synology:router_manager:1.3.1-9346:update9:*:*:*:*:*:*

References for CVE-2025-29843

cvelogic Threat Intelligence