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CVE-2026-4736— Math Issue in No-Chicken/Echo-Mate

Quick assessment

Affected
No-Chicken Echo-Mate
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Echo-Mate是Kingham Xu个人开发者的一个桌面机器人与AI助手。 Echo-Mate V250329之前版本存在安全漏洞，该漏洞源于数值处理不当，可能导致程序文件nf_tables.H、nft_byteorder.C和nft_meta.C出现问题。

AI Predicted 8.1 Difficulty: Hard EPSS 0.09% · P0

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4736

Vulnerability Information
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Vulnerability Title
Math Issue in No-Chicken/Echo-Mate
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
值处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Echo-Mate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Echo-Mate是Kingham Xu个人开发者的一个桌面机器人与AI助手。 Echo-Mate V250329之前版本存在安全漏洞，该漏洞源于数值处理不当，可能导致程序文件nf_tables.H、nft_byteorder.C和nft_meta.C出现问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
No-Chicken Echo-Mate 0 ~ V250329 -

II. Public POCs for CVE-2026-4736

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III. Intelligence Information for CVE-2026-4736

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Patches & Fixes for CVE-2026-4736 (1)

Same Patch Batch · No-Chicken · 2026-03-24 · 3 CVEs total

CVE-2026-4752 6.4 MEDIUM Use After Free in No-Chicken Echo-Mate
CVE-2026-4737 Use-After-Free Vulnerability in No-Chicken/Echo-Mate

IV. Related Vulnerabilities

Same product: Echo-Mate
Same vendor: No-Chicken
Same weakness: CWE-229

V. Comments for CVE-2026-4736

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