CVE-2023-40942: tendacn ac9_firmware Out-of-bounds Write
Modified
Published 07-09-2023Last modified 26-09-2024
Vulnerability summary
CVE-2023-40942 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tendacn ac9_firmware. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.84%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 07-09-2023PublishedVulnerability first disclosed.
- 26-09-2024Last modifiedVulnerability information updated.
Description
Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg.
CVSS metrics
1 score · 1 source · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.84%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.84% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundVul
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tendacn1 product
- ac9_firmware15.03.06.42_multi_td0
1 vendor · 1 product