CVE-2023-31983Br-6428ns Firmware Command Injection
A Command Injection vulnerability in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows attacker to execute arbitrary code via the mp function in /bin/webs without any limitations.
Published May 12, 2023 · Updated Jan 24, 2025
Key Facts
Patch immediately- CVE-2023-31983 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Br-6428ns Firmware (Edimax).
- It is not listed in any known-exploited vulnerabilities catalog. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 25% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
25%
Higher than 97.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
A Command Injection vulnerability in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows attacker to execute arbitrary code via the mp function in /bin/webs without any limitations.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Br-6428ns FirmwareEdimax | 1.10 | n/a |
Timeline
Publicly disclosed
May 12, 2023
Last updated
Jan 24, 2025
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
FAQ
Common Questions.
A Command Injection vulnerability in Edimax Wireless Router N300 Firmware BR-6428NS_v4 allows attacker to execute arbitrary code via the mp function in /bin/webs without any limitations.
Affected: Br-6428ns Firmware (Edimax) versions 1.10. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
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