CVE-2026-7248
CVE-2026-7248 is a critical-severity vulnerability in Dlink Di-8100 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-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- CVSS v4: 8.9
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26019
- Weakness: CWE-119
- Affected product: Dlink Di-8100 Firmware
- Published:
- Last modified:
Description
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Frequently asked questions
- What is CVE-2026-7248?
- A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
- How severe is CVE-2026-7248?
- CVE-2026-7248 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-2026-7248 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7248?
- CVE-2026-7248 affects Dlink Di-8100 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-7248?
- 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-2026-7248 have an EU (EUVD) identifier?
- Yes. CVE-2026-7248 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26019.
- When was CVE-2026-7248 published?
- CVE-2026-7248 was published on 2026-04-28 and last updated on 2026-06-17.
References
- https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md
- https://vuldb.com/submit/802869
- https://vuldb.com/vuln/359857
- https://vuldb.com/vuln/359857/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-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…
- CVE-2025-7908 — High (CVSS 8.8): A vulnerability was found in D-Link DI-8100 1.0. It has been declared as critical. Affected by this vulnerability is…
All CVEs affecting Dlink Di-8100 Firmware →
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