How severe is CVE-2026-4736?

CVE-2026-4736 has a CVSS 4.0 base score of 7.3, rated high severity.

Is CVE-2026-4736 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4736?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-4736 have an EU (EUVD) identifier?

Yes. CVE-2026-4736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14705.

When was CVE-2026-4736 published?

CVE-2026-4736 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-4736

CVE-2026-4736 is a high-severity vulnerability with a CVSS 4.0 base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-229.

Key facts

Severity: High (CVSS 4.0 base score 7.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14705
Weakness: CWE-229
Published: 2026-03-24
Last modified: 2026-06-17

Description

Improper Handling of Values vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter modules). This vulnerability is associated with program files nf_tables.H‎, nft_byteorder.C‎, nft_meta.C‎. This issue affects Echo-Mate: before V250329.

Frequently asked questions

What is CVE-2026-4736?: Improper Handling of Values vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter modules). This vulnerability is associated with program files nf_tables.H‎, nft_byteorder.C‎, nft_meta.C‎. This issue affects Echo-Mate: before V250329.
How severe is CVE-2026-4736?: CVE-2026-4736 has a CVSS 4.0 base score of 7.3, rated high severity.
Is CVE-2026-4736 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-4736 have an EU (EUVD) identifier?: Yes. CVE-2026-4736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14705.
When was CVE-2026-4736 published?: CVE-2026-4736 was published on 2026-03-24 and last updated on 2026-06-17.

References

https://github.com/No-Chicken/Echo-Mate/pull/8

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