CVE-2018-21170: netgear ex2700_firmware Out-of-bounds Write
CVSS: 8.8v3.0HighModified
Published 27-04-2020Last modified 05-08-2024
Vulnerability summary
CVE-2018-21170 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in netgear ex2700_firmware. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.1% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (CVE.org)EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-04-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects EX2700 before 1.0.1.28, R7800 before 1.0.2.40, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:NSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Medium 5.8Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.73% on 18-09-2026
18-09-202618-10-2026
EPSS score0.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netgear5 products
- ex2700_firmware< 1.0.1.28
- r7800_firmware< 1.0.2.40
- wn2000rpt_firmware< 1.0.1.20
- wn3000rp_firmware< 1.0.2.50
- wn3100rp_firmware< 1.0.0.56
1 vendor · 5 products