Review reviewHigh

CVE-2023-30383

archer_c50, archer_c20

TP-LINK Archer C50v2 Archer C50(US)_V2_160801, TP-LINK Archer C20v1 Archer_C20_V1_150707, and TP-LINK Archer C2v1 Archer_C2_US__V1_170228 were discovered to contain a buffer overflow which may lead to a Denial of Service (DoS) when parsing crafted data.

CVSS
7.5
EPSS
1.35%
68.7% percentile
CISA KEV
Not listed
Published
2023.07.19
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.35%
Technical severityCVSS 7.5

Vulnerability overview

TP-LINK Archer C50v2 Archer C50(US)_V2_160801, TP-LINK Archer C20v1 Archer_C20_V1_150707, and TP-LINK Archer C2v1 Archer_C2_US__V1_170228 were discovered to contain a buffer overflow which may lead to a Denial of Service (DoS) when parsing crafted data.

Affected product and versions

Product
archer_c50, archer_c20
Affected versions
v2_160801, v1_150707, v1_170228, 170228, 150707, 160801
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that archer_c50, archer_c20 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-120