CVE-2023-48194: tenda ac8_firmware Out-of-bounds Write
Modified
Published 09-07-2024Last modified 09-07-2026
Vulnerability summary
CVE-2023-48194 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac8_firmware. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.65%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 09-07-2024PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
Vulnerability in Tenda AC8v4 .V16.03.34.09 due to sscanf and the last digit of s8 being overwritten with \x0. After executing set_client_qos, control over the gp register can be obtained.
CVSS metrics
2 scores · 2 sources · 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:HSources2 sources · 6.3–9.8
- CVE.orgCNA6.3MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.65%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.65% 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 foundCve 2023 48194
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac8_firmware16.03.34.09
1 vendor · 1 product