What is CVE-2023-46526?

CVE-2023-46526 is a critical-severity vulnerability in TP-Link Tl-Wr886n, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-10-25.

How severe is CVE-2023-46526?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in TP-Link Tl-Wr886n

CVE-2023-46526

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

Vulnerability class: Buffer Overflow

Published 2023-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

TP-Link Tl-Wr886n — versions 7.0
TP-Link Tl-Wr886n Firmware — versions 3.0.14

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

resource.tp-link.com.cn/pc/docCenter/showDoc (Product)
github.com/XYIYM/Digging/blob/main/TP-LINK/TL-WR886N/10/1.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-46526?: CVE-2023-46526 is a critical-severity vulnerability in TP-Link Tl-Wr886n, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-10-25.
How severe is CVE-2023-46526?: Critical severity. CVSS v3 base score is 9.8 out of 10.