CVE-2023-25211: tenda ac5_firmware Out-of-bounds Write
Modified
Published 07-04-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-25211 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac5_firmware. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 07-04-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Tenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the R7WebsSecurityHandler function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.87%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.87% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac5_firmware15.03.06.28
1 vendor · 1 product
References
1 links- github.com/DrizzlingSun/Tenda/blob/main/AC5/2/2.mdThird Party Advisory