How severe is CVE-2025-25742?

CVE-2025-25742 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-2025-25742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25742?

CVE-2025-25742 affects Dlink Dir-853 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-25742?

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-2025-25742 have an EU (EUVD) identifier?

Yes. CVE-2025-25742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4131.

When was CVE-2025-25742 published?

CVE-2025-25742 was published on 2025-02-12 and last updated on 2026-06-17.

CVE-2025-25742

CVE-2025-25742 is a critical-severity vulnerability in Dlink Dir-853 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4131
Weakness: CWE-787
Affected product: Dlink Dir-853 Firmware
Published: 2025-02-12
Last modified: 2026-06-17

Description

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the AccountPassword parameter in the SetSysEmailSettings module.

Frequently asked questions

What is CVE-2025-25742?: D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the AccountPassword parameter in the SetSysEmailSettings module.
How severe is CVE-2025-25742?: CVE-2025-25742 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-2025-25742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25742?: CVE-2025-25742 affects Dlink Dir-853 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-25742?: 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-2025-25742 have an EU (EUVD) identifier?: Yes. CVE-2025-25742 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4131.
When was CVE-2025-25742 published?: CVE-2025-25742 was published on 2025-02-12 and last updated on 2026-06-17.

References

https://dear-sunshine-ba5.notion.site/D-Link-DIR-853-3-1812386a664480feaf1ceab444b132b3

Affected products (1)

cpe:2.3:o:dlink:dir-853_firmware:1.20b07:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-853 Firmware

CVE-2025-25746 — Critical (CVSS 9.8): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password…
CVE-2025-25744 — Critical (CVSS 9.8): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password…
CVE-2025-25745 — High (CVSS 8.8): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password…
CVE-2025-25743 — High (CVSS 7.2): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a command injection vulnerability in the SetVirtualServerSettings…
CVE-2025-25740 — Medium (CVSS 5.5): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the PSK parameter…
CVE-2025-25741 — Medium (CVSS 5.4): D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the…

All CVEs affecting Dlink Dir-853 Firmware →

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