Buffer overflow in Dlink Di-7100g
CVE-2025-57637
Buffer overflow vulnerability in D-Link DI-7100G 2020-02-21 in the sub_451754 function of the jhttpd service in the viav4 parameter allowing attackers to cause a denial of service or execute arbitrary code.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Dlink Di-7100g
- Dlink Di-7100g Firmware — versions 2020-02-21c1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.dlink.com/en/security-bulletin/ (Product)
- github.com/glkfc/IoT-Vulnerability/blob/main/D-Link/Dlink_2.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-57637?
- CVE-2025-57637 is a high-severity vulnerability in Dlink Di-7100g, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-09-23.
- How severe is CVE-2025-57637?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-57637 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.