CVE-2025-70083 json
An issue was discovered in OpenSatKit 2.2.1.
published 2026-02-11 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-207394
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
An issue was discovered in OpenSatKit 2.2.1. The DirName field in the telecommand is provided by the ground segment and must be treated as untrusted input. The program copies DirName into the local buffer DirWithSep using strcpy. The size of this buffer is OS_MAX_PATH_LEN. If the length of DirName is greater than or equal to OS_MAX_PATH_LEN, a stack buffer overflow occurs, overwriting adjacent stack memory. The path length check (FileUtil_AppendPathSep) is performed after the strcpy operation, meaning the validation occurs too late and cannot prevent the overflow.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-121 Stack-based Buffer Overflow
References
-
github.com
/OpenSatKit/OpenSatKit
product
-
github.com
/OpenSatKit/OpenSatKit/releases/tag/v2.2.1
release-notes
-
raw.githubusercontent.com
/OpenSatKit/OpenSatKit/master/cfs/apps/filemgr/fsw/src/dir.c
product
-
raw.githubusercontent.com
/OpenSatKit/OpenSatKit/master/cfs/apps/filemgr/fsw/src/dir.c#:~:text=strcpy%28DirWithSep
product
-
gist.github.com
/jonafk555
third-party-advisory
Sources
- CVE List CVE-2025-70083
- NVD CVE-2025-70083
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.