HOMEVULNERABILITIESCVE-2022-42998
CRITICAL

CVE-2022-42998

CWE-787Published: October 26, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the srcip parameter at /goform/form2IPQoSTcAdd.

NVD Source

Risk Analysis

This vulnerability is a stack overflow in D-Link DIR-816 firmware triggered by the srcip parameter. The critical 9.8 CVSS score reflects the potential for unauthenticated remote attackers to gain full control of the device.

No public exploit is currently known, and the vulnerability is not in the KEV database. The flaw is remotely exploitable with low attack complexity.

Recommended Action

Apply the latest firmware updates provided by D-Link. Restrict administrative access to the device to trusted internal networks.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-42998 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

dlink2 product(s)
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/hunzi0/VulInfo/tree/main/D-Link/DIR-816/form2IPQoSTcAdd
ADVISORYhttps://www.dlink.com/en/security-bulletin/
ADVISORYhttps://github.com/hunzi0/VulInfo/tree/main/D-Link/DIR-816/form2IPQoSTcAdd
ADVISORYhttps://www.dlink.com/en/security-bulletin/

All References (4)

→
https://github.com/hunzi0/VulInfo/tree/main/D-Link/DIR-816/form2IPQoSTcAddExploit · Third Party Advisory
→
https://www.dlink.com/en/security-bulletin/Vendor Advisory
→
https://github.com/hunzi0/VulInfo/tree/main/D-Link/DIR-816/form2IPQoSTcAddExploit · Third Party Advisory
→
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Quick Facts

CVE IDCVE-2022-42998
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedOct 26, 2022

Related CVEs (CWE-787)

CVE-2026-42369
10.0
CVE-2013-5610
10.0
CVE-2004-0574
10.0
CVE-2009-2466
10.0
CVE-2012-3957
10.0
CVE-2018-6692
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-42998 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. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-42998·NVD