HOMEVULNERABILITIESCVE-2026-7851
HIGH

CVE-2026-7851

CWE-119Published: May 5, 2026· Updated: May 6, 2026

7.2
CVSS v3.1
EPSS:0.06%probability of exploitation in 30 daysPercentile:17.1th

Official Description

A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

NVD Source

Technical Analysis

CVE-2026-7851 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dlink2 products
di-8100 firmwaredi-8100
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (5)

https://vuldb.com/submit/807798Third Party Advisory · VDB Entry
https://vuldb.com/vuln/361128Third Party Advisory · VDB Entry
https://vuldb.com/vuln/361128/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-7851
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.06%
Affected1 vendor
PublishedMay 5, 2026

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-7851 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.