CVE-2023-39747

criticalpriority · track · 42EPSS 0.087 · 95 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

8.68% (95th) EPSS

CVSS 9.8 · critical

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

TP-Link WR841N V8, TP-Link TL-WR940N V2, and TL-WR941ND V5 were discovered to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimaryCWE-120US

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
TP-Link Technologies Co Ltd. TL-WR841N≤ 8fstec_bduRU
TP-Link Technologies Co Ltd. TL-WR940N≤ 2fstec_bduRU
TP-Link Technologies Co Ltd. TL-WR941ND≤ 5fstec_bduRU
tp-link tl-wr841n v8 firmwareall versionsnvdUScpe:2.3:o:tp-link:tl-wr841n_v8_firmware:*:*:*:*:*:*:*:*
tp-link tl-wr940n v2 firmwareall versionsnvdUScpe:2.3:o:tp-link:tl-wr940n_v2_firmware:*:*:*:*:*:*:*:*
tp-link tl-wr941nd v5 firmwareall versionsnvdUScpe:2.3:o:tp-link:tl-wr941nd_v5_firmware:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-08-21modified 2026-06-17

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+5663 more

references (4)

External citations — patches, advisories, analysis.

scry

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