CVE-2026-4736

Severity CVSS v4.0:

HIGH

Type:

Unavailable / Other

Publication date:

24/03/2026

Last modified:

24/03/2026

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.<br /> <br /> This issue affects Echo-Mate: before V250329.

Impact

Vector 4.0

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:N/R:U/V:D/RE:L/U:Amber CVSS v4.0 Severity and Metrics:

Base Score: 7.30 HIGH
Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:N/R:U/V:D/RE:L/U:Amber

Attack Vector (AV): Local
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High
Safety (S): Negligible
Automatable (AU): No
Recovery (R): User
Value Density (V): Diffuse
Vulnerability Response Effort (RE): Low
Provider Urgency (U): Amber
Exploit Maturity (E): POC

Base Score 4.0

7.30

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

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