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CVE-2023-30307

MEDIUM
5.3
CVSS Score
Published: May 28, 2024 at 07:28 PM UTC
Updated: June 17, 2026 at 05:54 AM UTC
6 products affected across 1 vendorTP-LINK TL-WAR1200LTl R4239GTP-LINK TL-R473GP-AC

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An issue discovered in TP-LINK TL-R473GP-AC, TP-LINK XDR6020, TP-LINK TL-R479GP-AC, TP-LINK TL-R4239G, TP-LINK TL-WAR1200L, and TP-LINK TL-R476G routers allows attackers to hijack TCP sessions which could lead to a denial of service.

Affected

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

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 (1)

Source: [email protected]
https://www.ndss-symposium.org/ndss-paper/exploiting-sequence-number-leakage-tcp-hijacking-in-nat-enabled-wi-fi-networks/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-384

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