9.8

CVE-2023-38823: tenda ac18_firmware Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
Published 20-11-2023Last modified 10-06-2025
Open JSON

Vulnerability summary

CVE-2023-38823 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in tenda ac18_firmware. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 68% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-11-2023
    PublishedVulnerability first disclosed.
  2. 10-06-2025
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in Tenda Ac19 v.1.0, AC18, AC9 v.1.0, AC6 v.2.0 and v.1.0 allows a remote attacker to execute arbitrary code via the formSetCfm function in bin/httpd.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.20%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.20% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tenda4 products

1 vendor · 4 products

References

1 links