CVE-2026-7247
CVE-2026-7247 is a high-severity vulnerability in Dlink Di-8100 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-119.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 8.3
- CVSS v4: 7.3
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26018
- Weakness: CWE-119
- Affected product: Dlink Di-8100 Firmware
- Published:
- Last modified:
Description
A vulnerability has been found in D-Link DI-8100 16.07.26A1. Affected by this issue is the function file_exten_asp of the file file_exten.asp of the component File Extension Handler. The manipulation of the argument Name leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Frequently asked questions
- What is CVE-2026-7247?
- A vulnerability has been found in D-Link DI-8100 16.07.26A1. Affected by this issue is the function file_exten_asp of the file file_exten.asp of the component File Extension Handler. The manipulation of the argument Name leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
- How severe is CVE-2026-7247?
- CVE-2026-7247 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-2026-7247 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7247?
- CVE-2026-7247 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-7247?
- 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-2026-7247 have an EU (EUVD) identifier?
- Yes. CVE-2026-7247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26018.
- When was CVE-2026-7247 published?
- CVE-2026-7247 was published on 2026-04-28 and last updated on 2026-06-17.
References
- https://github.com/draw-ctf/report/blob/main/DI-8100/file_exten_asp_overflow.md
- https://vuldb.com/submit/802868
- https://vuldb.com/vuln/359856
- https://vuldb.com/vuln/359856/cti
- https://www.dlink.com/
Affected products (1)
- cpe:2.3:o:dlink:di-8100_firmware:16.07.26a1:*:*:*:*:*:*:*
More vulnerabilities in Dlink Di-8100 Firmware
- CVE-2026-7854 — Critical (CVSS 9.8): A security vulnerability has been detected in D-Link DI-8100 16.07.26A1. Affected by this vulnerability is the function…
- CVE-2026-7853 — Critical (CVSS 9.8): A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file…
- CVE-2026-7248 — Critical (CVSS 9.8): A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of…
- CVE-2025-44083 — Critical (CVSS 9.8): An issue in D-Link DI-8100 16.07.26A1 allows a remote attacker to bypass administrator login authentication
- CVE-2026-7855 — High (CVSS 8.8): A vulnerability was detected in D-Link DI-8100 16.07.26A1. Affected by this issue is the function tggl_asp of the file…
- CVE-2025-7911 — High (CVSS 8.8): A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf…
All CVEs affecting Dlink Di-8100 Firmware →
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