CVE-2026-7849Command Injection in SCM (idledisconnect parameter)

9.3CriticalCVSS base score
0.75%Exploitation in 30 daysEPSS · top 44% of all CVEs
NoKnown exploitednot in CISA's KEV catalog
NonePublic exploitsnone known yet

Description

Due to improper neutralization of special elements, an unauthenticated remote attacker is able to inject a command into the system configuration which is subsequently executed as root.

Timeline

2026
5 May 2026
5 May 2026
ID reserved
By CERTVDE
30 Jul 20263 months later
30 Jul 2026· 3 months later
Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-7849, by who scored it
Scored by	CVSS	Score	Vector
CERTVDECNA (assigner)	4.0	Critical9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CERTVDECNA (assigner)	3.1	Critical9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred	4.0	Critical9.3	CVSS:4.0/AV:N/AC:L/AT:N/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

EPSS (exploitation in 30 days): 0.75% · top 44% of all CVEs (14 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.

Affected products

Phoenix Contact · CHARX SEC-3150
- affected 1.0.0 – < 1.9.1
Phoenix Contact · CHARX SEC-3100
- affected 1.0.0 – < 1.9.1
Phoenix Contact · CHARX SEC-3050
- affected 1.0.0 – < 1.9.1
Phoenix Contact · CHARX SEC-3000
- affected 1.0.0 – < 1.9.1

References1

https://www.certvde.com/en/advisories/VDE-2026-008/ (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-7849](https://cveledger.app/badge/CVE-2026-7849.svg)](https://cveledger.app/cve/CVE-2026-7849)

Record last updated 30 Jul 2026, 14:06 UTC.