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CVE-2022-23768

29
FAUCET Score

CVE-2022-23768 describes a critical vulnerability in NeoInfoSys NIS-HAP11AC devices and their firmware, stemming from an exposed external Telnet service. This allows remote, unauthenticated attackers to gain full control, leading to source code hijacking and complete device compromise. With a CVSS score of 9.8 (CRITICAL), the attack requires no user interaction and has high impact on confidentiality, integrity, and availability. While not currently in CISA's KEV catalog and lacking public exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:o:neoinfosys:nis-hap11ac_firmware:3.0:b20201117095902:*:*:*:*:*:*

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
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 40th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

krcert.or.kr / krcert/secNoticeView.do
Third Party Advisory