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CVE-2023-38563

24
FAUCET Score

CVE-2023-38563 is a critical vulnerability affecting TP-Link Archer C1200 and C9 routers, specifically firmware versions prior to 'Archer C1200(JP)_V2_230508' and 'Archer C9(JP)_V3_230508' respectively. This flaw allows an unauthenticated, network-adjacent attacker to execute arbitrary operating system commands with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 8.8. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the vulnerability's nature (CWE-78: Improper Neutralization of Special Elements used in an OS Command) presents a significant risk if exploited. Organizations should prioritize patching affected devices to mitigate this threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 230508CPE matchmatch criteria
cpe:2.3:o:tp-link:archer_c1200_firmware:*:*:*:*:*:*:*:*
< 230508CPE matchmatch criteria
cpe:2.3:o:tp-link:archer_c9_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 36th percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/vu/JVNVU99392903
Third Party Advisory
tp-link.com / jp/support/download/archer-c1200
Product
tp-link.com / jp/support/download/archer-c9/v3
Product