Shortly after 8 a.m. on July 15, first responders were called to the 23200 block of Point Lookout Road in Leonardtown, when a fire inside the vehicle was reported.
According to the Maryland Fire Marshal, at the time the blaze broke out, the woman was inside the RV with two children.
She suffered burns while extinguishing the fire, investigators said, and was flown to an area hospital for treatment. She had been released as of Tuesday, July 16.
The cause of the fire remains under investigation.
Want breaking news in the DMV as it happens, or want to contribute? Join the DMV All Incidents Facebook group.
Click here to follow Daily Voice Huntingtown and receive free news updates.