How severe is CVE-2024-27658?

CVE-2024-27658 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-27658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27658?

CVE-2024-27658 affects Dlink Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27658?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-27658 have an EU (EUVD) identifier?

Yes. CVE-2024-27658 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24852.

When was CVE-2024-27658 published?

CVE-2024-27658 was published on 2024-02-29 and last updated on 2026-06-17.

CVE-2024-27658

CVE-2024-27658 is a medium-severity vulnerability in Dlink Dir-823g Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-395.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24852
Weakness: CWE-395
Affected product: Dlink Dir-823g Firmware
Published: 2024-02-29
Last modified: 2026-06-17

Description

D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2024-27658?: D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2024-27658?: CVE-2024-27658 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-27658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27658?: CVE-2024-27658 affects Dlink Dir-823g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27658?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-27658 have an EU (EUVD) identifier?: Yes. CVE-2024-27658 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24852.
When was CVE-2024-27658 published?: CVE-2024-27658 was published on 2024-02-29 and last updated on 2026-06-17.

References

https://calm-healer-839.notion.site/D-LINK-DIR-823G-NPD-0x44900C-8f23082721854117bdea70b6113433fd?pvs=4

Affected products (1)

cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-823g Firmware

CVE-2023-43241 — Critical (CVSS 9.8): D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter TXPower and GuardInt in…
CVE-2023-43235 — Critical (CVSS 9.8): D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in…
CVE-2023-26616 — Critical (CVSS 9.8): D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the URL field in…
CVE-2023-26613 — Critical (CVSS 9.8): An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows unauthorized attackers to…
CVE-2023-26612 — Critical (CVSS 9.8): D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the HostName field…
CVE-2023-29665 — Critical (CVSS 9.8): D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings.

All CVEs affecting Dlink Dir-823g Firmware →

Other CWE-395 vulnerabilities

CVE-2025-58142 — Critical (CVSS 9.8): [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
CVE-2025-27466 — Critical (CVSS 9.8): [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
CVE-2025-15514 — High (CVSS 7.5): Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal…
CVE-2022-2832 — High (CVSS 7.5): A flaw was found in Blender 3.3.0. A null pointer dereference exists in source/blender/gpu/opengl/gl_backend.cc that…
CVE-2024-27661 — Medium (CVSS 6.5): D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability…
CVE-2024-27659 — Medium (CVSS 6.5): D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_42AF30(). This vulnerability…

Browse all CWE-395 vulnerabilities →