Math Issue in No-Chicken/Echo-Mate
Summary
| CVE | CVE-2026-4736 |
|---|---|
| State | PUBLISHED |
| Assigner | GovTech CSG |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-24 04:17:26 UTC |
| Updated | 2026-04-30 15:54:12 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 7.3 HIGH from [email protected]
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:D/RE:L/U:Amber
EPSS: 0.000180000 probability, percentile 0.048950000 (date 2026-05-05)
Problem Types: CWE-229 | CWE-229 CWE-229 Improper Handling of Values
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 7.3 | HIGH | 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/C... |
| 4.0 | CNA | CVSS | 7.3 | HIGH | 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... |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
HighAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
HighSub Integrity
HighSub Availability
HighCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:D/RE:L/U:Amber
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | No-Chicken | Echo-Mate | affected V250329 git | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/No-Chicken/Echo-Mate/pull/8 | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: TITAN Team ([email protected]) (en)
There are currently no legacy QID mappings associated with this CVE.