CVE-2025-41697: phoenix contact fl nat 2008
CVSS: 6.8v3.1MediumAnalyzed
Published 09-12-2025Last modified 09-12-2025
Vulnerability summary
CVE-2025-41697 is a medium (CVSS 6.8) vulnerability in phoenix contact fl nat 2008. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.5% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 09-12-2025Last modifiedVulnerability information updated.
Description
An attacker can use an undocumented UART port on the PCB as a side-channel to get root access e.g. with the credentials obtained from CVE-2025-41692.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
0.00 pp
From 0.24% on 19-09-2026
19-09-202619-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Phoenix contact69 products
- fl nat 2008≥ 0.0.0, < 3.50
- fl nat 2208≥ 0.0.0, < 3.50
- fl nat 2304-2gc-2sfp≥ 0.0.0, < 3.50
- fl switch 2005≥ 0.0.0, < 3.50
- fl switch 2008≥ 0.0.0, < 3.50
Phoenixcontact69 products
- fl_nat_2008_firmware< 3.50
- fl_nat_2208_firmware< 3.50
- fl_nat_2304-2gc-2sfp_firmware< 3.50
- fl_switch_2005_firmware< 3.50
- fl_switch_2008_firmware< 3.50
2 vendors · 138 products
References
1 links- certvde.com/de/advisories/VDE-2025-071Third Party Advisory