Buffer overflow in Dlink Di-8100
CVE-2025-51281
D-Link DI-8100 16.07.26A1 is vulnerable to Buffer Overflow via the en`, `val and id parameters in the qj_asp function. This vulnerability allows authenticated attackers to cause a Denial of Service (DoS) by sending crafted GET requests with overly long values for these parameters.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Dlink Di-8100
- Dlink Di-8100 Firmware — versions 16.07.26a1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dlink.com/en/security-bulletin/ (Product)
- github.com/BinaryHK/CVE/blob/main/CVE-2025-51281/CVE-2025-51281.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-51281?
- CVE-2025-51281 is a high-severity vulnerability in Dlink Di-8100, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.0/10. Published 2025-08-25.
- How severe is CVE-2025-51281?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2025-51281 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.