PatchTheCVECVE-2026-1627: An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially
CVE-2026-1627 is a medium-severity flaw (CVSS 6.5) affecting lms1000 firmware, mrs1000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if the attacker can interact with the network traffic.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-327 |
| Published | 2026-02-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-1627?
lms1000 firmware: upgrade to 2.4.1; mrs1000 firmware: upgrade to 2.4.1. Exact commands for each OS are on this page.
Is CVE-2026-1627 being exploited?
CVE-2026-1627 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-1627 affect?
CVE-2026-1627 affects lms1000 firmware, mrs1000 firmware. Severity is medium (CVSS 6.5). An attacker may exploit the use of outdated and weak MAC algorithms in the device’s SSH service to potentially compromise the integrity of the SSH session, allowing manipulation of transmitted data if the attacker can interact with the netw
How urgent is CVE-2026-1627?
Priority 26/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-1626 MEDIUM 6.5 UPGRADE UPGRADE An attacker may exploit the use of weak CBC-based cipher suites in the device’s SSH service to potentially obs