What is CVE-2019-17147?

CVE-2019-17147 is a high-severity vulnerability in Tp-link Tl-wr841n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-01-07.

How severe is CVE-2019-17147?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2019-17147 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tp-link Tl-wr841n

CVE-2019-17147

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-LINK TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web service, whi…

Vulnerability class: Buffer Overflow

EPSS: 0.220 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tp-link Tl-wr841n — versions 0.9.1 4.16 v007c.0 Build 180613 Rel.42415n

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

www.zerodayinitiative.com/advisories/ZDI-19-992/ (x_refsource_MISC)
www.tp-link.com/us/support/download/tl-wr841n/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2019-17147?: CVE-2019-17147 is a high-severity vulnerability in Tp-link Tl-wr841n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-01-07.
How severe is CVE-2019-17147?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-17147 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.