Search/CVE-2021-20860
● CVE — High

CVE-2021-20860

VendorelecomProductwrc-1167gst2 firmware, wrc-2533gst2 firmware, edwrc-2533gst2 firmware, wrc-1167gst2a firmware, wrc-1167gst2h firmware, wrc-1750gs firmware, wrc-1750gsv firmware, wrc-1900gst firmware, wrc-2533gs2-b firmware, wrc-2533gs2-w firmware, wrc-2533gst2-g firmware, wrc-2533gst2sp firmware, wrc-2533gst firmware, wrc-2533gsta firmwareDiscoveredDec 1, 2021UpdatedNov 21, 2024

Cross-site request forgery (CSRF) vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a remote authenticated attacker to hijack the authentication of an administrator via a specially crafted page.

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CVSS v3.1
8.8 HIGH
EPSS
0.55%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 25, 2026
▲ 0.02pp
0.54% → 0.55% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
15 relationships
Timeline
disclosure → media coverage
Dec 1, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024