HOMEVULNERABILITIESCVE-2023-46536
CRITICAL

CVE-2023-46536

CWE-787Published: October 25, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function chkRegVeriRegister.

NVD Source

Risk Analysis

This critical stack overflow vulnerability affects the TP-LINK TL-WR886N firmware. It carries a CVSS score of 9.8, indicating a high potential for impact, and is not currently tracked as being exploited in the wild.

No public exploit exists for this vulnerability. It is considered remotely exploitable given the network access requirements and low complexity.

Recommended Action

Ensure the device firmware is updated to the latest version provided by TP-LINK.

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-2023-46536 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

tp-link2 product(s)
tl-wr886n firmwaretl-wr886n
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/XYIYM/Digging/blob/main/TP-LINK/TL-WR886N/5/1.md
ADVISORYhttps://github.com/XYIYM/Digging/blob/main/TP-LINK/TL-WR886N/5/1.md

All References (4)

→
https://github.com/XYIYM/Digging/blob/main/TP-LINK/TL-WR886N/5/1.mdExploit · Third Party Advisory
→
https://resource.tp-link.com.cn/pc/docCenter/showDoc?id=1676623713687165Product
→
https://github.com/XYIYM/Digging/blob/main/TP-LINK/TL-WR886N/5/1.mdExploit · Third Party Advisory
→
https://resource.tp-link.com.cn/pc/docCenter/showDoc?id=1676623713687165Product

Quick Facts

CVE IDCVE-2023-46536
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedOct 25, 2023

Related CVEs (CWE-787)

CVE-2004-0574
10.0
CVE-2009-2466
10.0
CVE-2022-30292
10.0
CVE-2015-0235
10.0
CVE-2018-10718
10.0
CVE-2002-2227
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-46536 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.
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