CVE-2023-0782: tenda ac23_firmware Out-of-bounds Write
Vulnerability summary
CVE-2023-0782 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac23_firmware. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 11-02-2023PublishedVulnerability first disclosed.
- 24-03-2025Last modifiedVulnerability information updated.
Description
A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640.
CVSS metrics
5 scores · 2 sources · 3 versions- CVE.orgCNA7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST8.3HighAV:N/AC:L/Au:M/C:C/I:C/A:C
EPSS trend
Probability
1.47%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.47% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTendaac23Overflow
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac23_firmware16.03.07.45
1 vendor · 1 product