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CVE-2023-44839

HIGH
7.5
CVSS Score
Published: October 5, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:27 AM UTC
2 products affected across 1 vendorDir 823G FirmwareDir 823G

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Severity
HIGH7.5
Exploit prediction
EPSS 9%
SSVC
No known exploit

Description

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Encryption parameter in the SetWLanRadioSecurity function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dir 823G Firmware· D-Link
95%
1.0.2b05a1v1.0.2b05
dlink-dir-823g (same device)
Dir 823G· D-Linkdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/bugfinder0/public_bug/tree/main/dlink/dir823g/SetWLanRadioSecurity_Encryption
Vendor Advisory
Source: [email protected]
https://www.dlink.com/en/security-bulletin/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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