How severe is CVE-2025-29042?

CVE-2025-29042 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-29042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29042?

CVE-2025-29042 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-29042?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-29042 have an EU (EUVD) identifier?

Yes. CVE-2025-29042 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11767.

When was CVE-2025-29042 published?

CVE-2025-29042 was published on 2025-04-17 and last updated on 2026-06-17.

CVE-2025-29042

CVE-2025-29042 is a critical-severity vulnerability in Dlink Dir-823x Firmware with a CVSS 3.x base score of 9.8. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11767
Weakness: CWE-78
Affected product: Dlink Dir-823x Firmware
Published: 2025-04-17
Last modified: 2026-06-17

Description

An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the macaddr key value to the function 0x42232c

Frequently asked questions

What is CVE-2025-29042?: An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the macaddr key value to the function 0x42232c
How severe is CVE-2025-29042?: CVE-2025-29042 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-29042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29042?: CVE-2025-29042 affects Dlink Dir-823x Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29042?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-29042 have an EU (EUVD) identifier?: Yes. CVE-2025-29042 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11767.
When was CVE-2025-29042 published?: CVE-2025-29042 was published on 2025-04-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-823x_firmware:240802:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-823x Firmware

CVE-2025-29043 — Critical (CVSS 9.8): An issue in dlink DIR 832x 240802 allows a remote attacker to execute arbitrary code via the function 0x417234
CVE-2025-29041 — Critical (CVSS 9.8): An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and…
CVE-2025-29040 — Critical (CVSS 9.8): An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and…
CVE-2024-39962 — Critical (CVSS 9.8): D-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to contain a remote code execution…
CVE-2025-55848 — High (CVSS 8.8): An issue was discovered in DIR-823 firmware 20250416. There is an RCE vulnerability in the set_cassword settings…
CVE-2025-0492 — High (CVSS 7.5): A vulnerability has been found in D-Link DIR-823X 240126/240802 and classified as critical. Affected by this…

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