What is CVE-2013-3516?

CVE-2013-3516 is a medium-severity vulnerability in NETGEAR Wnr3500l, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2019-11-13.

How severe is CVE-2013-3516?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in NETGEAR Wnr3500l

CVE-2013-3516

NETGEAR WNR3500U and WNR3500L routers uses form tokens abased solely on router's current date and time, which allows attackers to guess the CSRF tokens.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2019-11-13 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

NETGEAR Wnr3500l
NETGEAR Wnr3500l Firmware — versions 1.2.2.44_35.0.53na
NETGEAR Wnr3500u
NETGEAR Wnr3500u Firmware — versions 1.2.2.44_35.0.53na

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.ise.io/casestudies/exploiting-soho-routers/ (Third Party Advisory)
www.ise.io/soho_service_hacks/ (Third Party Advisory)
www.ise.io/research/studies-and-papers/netgear_wnr3500/ (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2013-3516?: CVE-2013-3516 is a medium-severity vulnerability in NETGEAR Wnr3500l, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2019-11-13.
How severe is CVE-2013-3516?: Medium severity. CVSS v3 base score is 6.5 out of 10.