CVE-2023-36489

HIGH

8.8

CVSS Score

Published: September 6, 2023 at 09:35 AM UTC

Updated: June 17, 2026 at 06:06 AM UTC

6 products affected across 1 vendorTl WR841N FirmwareTl WR902AC FirmwareTl WR802N Firmware

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Severity

HIGH8.8

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: TL-WR802N firmware versions prior to 'TL-WR802N(JP)_V4_221008', TL-WR841N firmware versions prior to 'TL-WR841N(JP)_V14_230506', and TL-WR902AC firmware versions prior to 'TL-WR902AC(JP)_V3_230506'.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tl WR802N Firmware · TP-Link

95%

v < 221008221008 ≤ v < v4_221008221008

Affected range stops below 221008, so it looks safe — our inference, not a vendor statement

Affected range stops below v4_221008, so it looks safe — our inference, not a vendor statement

Tl WR841N Firmware · TP-Link

95%

v < 230506v < v14_230506

Affected range stops below 230506, so it looks safe — our inference, not a vendor statement

Affected range stops below v14_230506, so it looks safe — our inference, not a vendor statement

Tl WR902AC Firmware · TP-Link

95%

v < 230506v < v3_230506

Affected range stops below 230506, so it looks safe — our inference, not a vendor statement

Affected range stops below v3_230506, so it looks safe — our inference, not a vendor statement

TL-WR802N · TP-Link

90%

v < 221008221008 ≤ v < v4_221008221008 firmware versions prior to 'TL-WR802N(JP)_V4_221008'

Affected range stops below 221008, so it looks safe — our inference, not a vendor statement

Affected range stops below v4_221008, so it looks safe — our inference, not a vendor statement

TL-WR841N · TP-Link

90%

v < 230506v < v14_230506firmware versions prior to 'TL-WR841N(JP)_V14_230506'

Affected range stops below 230506, so it looks safe — our inference, not a vendor statement

Affected range stops below v14_230506, so it looks safe — our inference, not a vendor statement

TL-WR902AC · TP-Link

90%

v < 230506v < v3_230506firmware versions prior to 'TL-WR902AC(JP)_V3_230506'

Affected range stops below 230506, so it looks safe — our inference, not a vendor statement

Affected range stops below v3_230506, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Third Party Advisory

Source: [email protected]

https://jvn.jp/en/vu/JVNVU99392903/

Product

Source: [email protected]

https://www.tp-link.com/jp/support/download/tl-wr802n/#Firmware

Product

Source: [email protected]

https://www.tp-link.com/jp/support/download/tl-wr841n/v14/#Firmware

Product

Source: [email protected]

https://www.tp-link.com/jp/support/download/tl-wr902ac/#Firmware

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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