CVE-2019-19505: tendacn pa6_firmware Out-of-bounds Write
Vulnerability summary
CVE-2019-19505 is a high (CVSS 9.0) Out-of-bounds Write vulnerability in tendacn pa6_firmware. EPSS estimates a 3.50% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 25-06-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Tenda PA6 Wi-Fi Powerline extender 1.0.1.21 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the "Wireless" section in the web-UI. By sending a specially crafted hostname, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.50%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.50% 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 foundExploit Reference (securityintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Tendacn1 product
- pa6_firmware1.0.1.21
1 vendor · 1 product
References
1 links- securityintelligence.com/posts/vulnerable-powerline-extenders-underline-lax-iot-security/X Refsource MISCExploitThird Party Advisory