Is there a public PoC exploit available for CVE-2026-8777?

Yes, a public proof-of-concept exploit is available for CVE-2026-8777. Prioritise patching immediately. EPSS: 0.8%.

Edimax BR-6428NS CVE-2026-8777

Q: What is the CVSS score of CVE-2026-8777?

CVE-2026-8777 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.8%.

EUVD-2026-30719 LOW

Command Injection (CWE-77)

2026-05-18 VulDB

GHSA-8vqm-j289-7f3g

Command Injection

2.1

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

May 18, 2026 - 02:22 NVD

MEDIUM LOW

CVSS changed

May 18, 2026 - 02:22 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

May 18, 2026 - 01:43 vuln.today

DescriptionNVD

A vulnerability was found in Edimax BR-6428NS 1.10. This issue affects the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. Performing a manipulation of the argument stadrv_ssid results in command injection. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Command injection in Edimax BR-6428NS firmware v1.10 allows authenticated remote attackers to execute arbitrary system commands via the stadrv_ssid parameter in POST requests to /goform/formStaDrvSetup. Public exploit code is available (documented in VulDB and researcher's Notion page), enabling low-complexity attacks against networks where attackers have obtained low-privilege credentials. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-8777 vulnerability details – vuln.today

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