How severe is CVE-2025-50661?

CVE-2025-50661 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-50661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50661?

CVE-2025-50661 affects Dlink Di-8003 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50661?

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

Does CVE-2025-50661 have an EU (EUVD) identifier?

Yes. CVE-2025-50661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209345.

When was CVE-2025-50661 published?

CVE-2025-50661 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2025-50661

CVE-2025-50661 is a high-severity vulnerability in Dlink Di-8003 Firmware with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209345
Weakness: CWE-121
Affected product: Dlink Di-8003 Firmware
Published: 2026-04-08
Last modified: 2026-06-17

Description

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of multiple parameters in the /url_rule.asp endpoint. An attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, en, ips, u, time, act, rpri, and log.

Frequently asked questions

What is CVE-2025-50661?: A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of multiple parameters in the /url_rule.asp endpoint. An attacker can exploit this vulnerability by sending a crafted HTTP GET request with parameters name, en, ips, u, time, act, rpri, and log.
How severe is CVE-2025-50661?: CVE-2025-50661 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-50661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50661?: CVE-2025-50661 affects Dlink Di-8003 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-50661 have an EU (EUVD) identifier?: Yes. CVE-2025-50661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209345.
When was CVE-2025-50661 published?: CVE-2025-50661 was published on 2026-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-8003_firmware:16.07.26a1:*:*:*:*:*:*:*

More vulnerabilities in Dlink Di-8003 Firmware

CVE-2024-52759 — Critical (CVSS 9.8): D-LINK DI-8003 v16.07.26A1 was discovered to contain a buffer overflow via the ip parameter in the ip_position_asp…
CVE-2024-11048 — High (CVSS 8.8): A vulnerability was found in D-Link DI-8003 16.07.16A1. It has been rated as critical. Affected by this issue is the…
CVE-2024-11047 — High (CVSS 8.8): A vulnerability was found in D-Link DI-8003 16.07.16A1. It has been declared as critical. Affected by this…
CVE-2025-50673 — High (CVSS 7.5): A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of the http_lanport…
CVE-2025-50672 — High (CVSS 7.5): A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the…
CVE-2025-50671 — High (CVSS 7.5): A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of parameters in the…

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