CVE-2024-33820: totolink a3002r_firmware Classic Buffer Overflow
Vulnerability summary
CVE-2024-33820 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in totolink a3002r_firmware. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 22-09-2026
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 foundEe095Fbfe13F77A5B45B39A5Aa82Bd17
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a3002r_firmware4.0.0-b20230531.1404
1 vendor · 1 product