Grandstream GRP261x VoIP phone running firmware version 1.0.3.6 (Base) allows Command Injection as root in its administrative web interface.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesHigh
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 4.8 → 6.6 |
| 2026-07-21 | nvd | AV: P→N, AC: H→L, UI: A→N, VC: N→H, VI: N→H, VA: N→H | 0.0 → 4.8 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| grandstream | grp2612_firmware | 1.0.3.6 |
| grandstream | grp2612p_firmware | 1.0.3.6 |
| grandstream | grp2612w_firmware | 1.0.3.6 |
| grandstream | grp2613_firmware | 1.0.3.6 |
| grandstream | grp2614_firmware | 1.0.3.6 |
| grandstream | grp2615_firmware | 1.0.3.6 |
| grandstream | grp2616_firmware | 1.0.3.6 |
Published: 2021-03-29
