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CVE-2023-44838

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the TXPower parameter...

7.5 High

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.03%Up 1.0 points since Oct 6, 2023
90%50%10%1%

What each source reports

NVD Score used 7.5

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

Record
CVE-2023-44838
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

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

Record
CVE-2023-44838
Updated
2026-11-02
EUVDEUVD-2023-49161 No score

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

Record
EUVD-2023-49161
Updated
2026-11-03
GitHub AdvisoriesGHSA-w986-f5mv-7h98 7.5

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the TXPower parameter...

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

Record
GHSA-w986-f5mv-7h98
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-120
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-44838 is a high vulnerability (CVSS 7.5) in D-link Dir-823g-firmware, published October 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 64th percentile. No source names a fixed version.

References

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