CVE-2017-16563: grandstream ht802_firmware Cross-Site Request Forgery (CSRF)
CVSS: 8.0v3.0HighModified
Published 06-11-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-16563 is a high (CVSS 8.0) Cross-Site Request Forgery (CSRF) vulnerability in grandstream ht802_firmware. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.0/10
010
High · v3.0 (NVD)EPSS score
0.44%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 06-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream) HT802 devices allows attackers to modify settings, related to cgi-bin/update.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.0Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.0Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
+0.01 pp
From 0.43% on 21-09-2026
21-09-202621-10-2026
EPSS score0.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (distributedcompute.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Grandstream1 product
1 vendor · 1 product
References
1 links- distributedcompute.com/2017/11/04/vonage-ht802-multiple-vulnerabilities/X Refsource MISCExploitThird Party Advisory