CVE-2022-28370: verizon lvskihp_outdoorunit_firmware
Vulnerability summary
CVE-2022-28370 is a high (CVSS 7.5) vulnerability in verizon lvskihp_outdoorunit_firmware. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30.9% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Timeline
- 14-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
On Verizon 5G Home LVSKIHP OutDoorUnit (ODU) 3.33.101.0 devices, the RPC endpoint crtc_fw_upgrade provides a means of provisioning a firmware update for the device. /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh has no cryptographic validation of the image, thus allowing an attacker to modify the installed firmware.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.37% on 05-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundSecwriteups
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Verizon1 product
- lvskihp_outdoorunit_firmware3.33.101.0
1 vendor · 1 product
References
2 links- github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.mdX Refsource MISCExploitThird Party Advisory