CVE-2026-40630: A vulnerability in SenseLive X3050’s web management interface allows unauthorized access to certain configu

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CRITICAL 9.8REMOTEMITIGATE

CVE-2026-40630 is a critical-severity flaw (CVSS 9.8) affecting x3500 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in SenseLive X3050’s web management interface allows unauthorized access to certain configuration endpoints due to improper access control enforcement. An attacker with network access to the device may be able to bypass the intended authentication mechanism and directly interact with sensitive configuration functions.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-288
Published	2026-04-24
Last modified	2026-10-26

Publisher (CNA): ICS-CERT · Vendor: senselive

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-24 00:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

senselive x3500 firmware MITIGATE

Affected: 1.523

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.523

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-40630?

x3500 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-40630 being exploited?

CVE-2026-40630 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-2026-40630 affect?

CVE-2026-40630 affects x3500 firmware. Severity is critical (CVSS 9.8). A vulnerability in SenseLive X3050’s web management interface allows unauthorized access to certain configuration endpoints due to improper access control enforcement. An attacker with network access to the device may be able to bypass t

How urgent is CVE-2026-40630?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-35503 CRITICAL 9.8 MITIGATE A vulnerability in SenseLive X3050’s web management interface allows authentication logic to be performed enti
CVE-2026-40431 MEDIUM 5.3 MITIGATE A vulnerability exists in SenseLive X3050’s web management interface due to its reliance on unencrypted HTTP f
CVE-2026-27843 CRITICAL 9.1 MITIGATE A vulnerability exists in SenseLive X3050's web management interface that allows critical configuration parame
CVE-2026-39462 HIGH 8.1 MITIGATE A vulnerability exists in SenseLive X3050’s web management interface in which password updates are not reliabl
CVE-2026-35064 HIGH 7.5 MITIGATE A vulnerability in SenseLive X3050’s management ecosystem allows unauthenticated discovery of deployed units t

References

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