How severe is CVE-2025-4883?

CVE-2025-4883 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4883?

CVE-2025-4883 affects Dlink Di-8100g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4883?

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-2025-4883 have an EU (EUVD) identifier?

Yes. CVE-2025-4883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15627.

When was CVE-2025-4883 published?

CVE-2025-4883 was published on 2025-05-18 and last updated on 2026-06-17.

CVE-2025-4883

CVE-2025-4883 is a high-severity vulnerability in Dlink Di-8100g Firmware with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
CVSS v2: 8.3
CVSS v4: 8.6
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15627
Weakness: CWE-787
Affected product: Dlink Di-8100g Firmware
Published: 2025-05-18
Last modified: 2026-06-17

Description

A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. This vulnerability affects the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. The manipulation of the argument def/defTcp/defUdp/defIcmp/defOther leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-4883?: A vulnerability was found in D-Link DI-8100 16.07.26A1. It has been declared as critical. This vulnerability affects the function ctxz_asp of the file /ctxz.asp of the component Connection Limit Page. The manipulation of the argument def/defTcp/defUdp/defIcmp/defOther leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-4883?: CVE-2025-4883 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4883?: CVE-2025-4883 affects Dlink Di-8100g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4883?: 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-2025-4883 have an EU (EUVD) identifier?: Yes. CVE-2025-4883 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15627.
When was CVE-2025-4883 published?: CVE-2025-4883 was published on 2025-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:di-8100g_firmware:16.07.26a1:*:*:*:*:*:*:*

More vulnerabilities in Dlink Di-8100g Firmware

CVE-2025-44084 — Critical (CVSS 9.8): D-link DI-8100 16.07.26A1 is vulnerable to Command Injection. An attacker can exploit this vulnerability by crafting…
CVE-2024-44402 — Critical (CVSS 9.8): D-Link DI-8100G 17.12.20A1 is vulnerable to Command Injection via msp_info.htm.
CVE-2024-44401 — Critical (CVSS 9.8): D-Link DI-8100G 17.12.20A1 is vulnerable to Command Injection via sub47A60C function in the upgrade_filter.asp file
CVE-2025-52222 — High (CVSS 7.5): D-Link DI-8003 v16.07.26A1, DI-8500 v16.07.26A1; DI-8003G v17.12.21A1, DI-8200G v17.12.20A1, DI-8200 v16.07.26A1,…

All CVEs affecting Dlink Di-8100g Firmware →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →