Digi Passport Firmware through 1.5.1,1 is affected by a buffer overflow. An attacker can supply a string in the page parameter for reboot.asp endpoint, allowing him to force an overflow when the string is concatenated to the HTML body.
Conclusion & alert: CVE-2022-26953 is rated High Exploit Risk (72/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.71%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.05% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.66% | 1.71% | +1.05% |
| 2 | 2025-04-20 | 0.65% | 0.66% | +0.01% |
| 3 | 2025-04-18 | — | 0.65% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| digi | passport_firmware | <= 1.5.1.1 | cpe:2.3:o:digi:passport_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/X-C3LL/PoC-CVEs/blob/master/CVE-2022-26952%20%26%20CVE-2022-26953/readme.md | Exploit Third Party Advisory |
| https://hub.digi.com/dp/path=/support/asset/digi-passport-1.5.2-firmware-release-notes/ | Release Notes Vendor Advisory |
| https://hub.digi.com/support/products/infrastructure-management/digi-passport/ | Product Vendor Advisory |