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CVE-2023-42771

25
FAUCET Score

CVE-2023-42771 is an authentication bypass vulnerability affecting ACERA 1310 and 1320 wireless LAN access point firmware versions 01.26 and earlier when operating in Standalone (ST) mode. A network-adjacent, unauthenticated attacker can exploit this to download and upload configuration or log files, and even upload new firmware. With a CVSS score of 8.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact remains significant for affected devices.

Impacted Technologies

VendorProductVersion(s)CPE
<= 01.26CPE matchmatch criteria
cpe:2.3:o:furunosystems:acera_1310_firmware:*:*:*:*:*:*:*:*
<= 01.26CPE matchmatch criteria
cpe:2.3:o:furunosystems:acera_1320_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
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 23rd percentile among its peer group of 1,859 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/JVNVU94497038
Third Party Advisory
furunosystems.co.jp / news/info/vulner20231002.html
Vendor Advisory