HOMEVULNERABILITIESCVE-2026-8346
HIGH

CVE-2026-8346

CWE-74Published: May 12, 2026· Updated: May 12, 2026

8.8
CVSS v3.1
EPSS:0.50%probability of exploitation in 30 daysPercentile:66.0th

Official Description

A vulnerability was detected in D-Link DIR-816 1.10CNB05_R1B011D88210. This affects the function portForward. Performing a manipulation of the argument ip_address results in command injection. The attack can be initiated remotely. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-8346 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low 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 8.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

dlink2 products
dir-816 firmwaredir-816
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/3.md
ADVISORYhttps://vuldb.com/submit/811380
ADVISORYhttps://vuldb.com/vuln/362662

All References (5)

→
https://github.com/lipenghai/iot_bug/blob/main/D-Link/DIR816/3.mdExploit · Third Party Advisory
→
https://vuldb.com/submit/811380Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/362662Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/362662/ctiPermissions Required · VDB Entry
→
https://www.dlink.com/Product

Quick Facts

CVE IDCVE-2026-8346
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.50%
Affected1 vendor
PublishedMay 12, 2026

Related CVEs (CWE-74)

CVE-2026-2865
9.8
CVE-2026-27194
9.8
CVE-2026-3164
9.8
CVE-2026-6279
9.8
CVE-2026-3069
9.8
CVE-2026-7690
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-8346 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.
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