CVE-2023-49418: totolink a7000r_firmware Out-of-bounds Write
Modified
Published 11-12-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-49418 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in totolink a7000r_firmware. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)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 exploits1github
Timeline
- 11-12-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
TOTOLink A7000R V9.1.0u.6115_B20201022has a stack overflow vulnerability via setIpPortFilterRules.
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
0.87%
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
1 foundIot Vuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a7000r_firmware9.1.0u.6115_b20201022
1 vendor · 1 product
References
1 links- github.com/cnitlrt/iot_vuln/tree/master/totolink/A7000R/setIpPortFilterRulesExploitThird Party Advisory