CVE-2023-40893: tenda ac8_firmware Out-of-bounds Write
Modified
Published 24-08-2023Last modified 03-10-2024
Vulnerability summary
CVE-2023-40893 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac8_firmware. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.93%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 24-08-2023PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
Description
Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter time at /goform/PowerSaveSet.
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
0.93%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.93% 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 foundFounded 0 Days
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac8_firmware16.03.34.06
1 vendor · 1 product
References
1 links- github.com/peris-navince/founded-0-days/blob/main/ac8/setSmartPowerManagement/1.mdExploitThird Party Advisory